All projects
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1080° Snowboarding (clean room)
1080° Snowboarding
1080° Snowboarding playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
2 Ship 2 Harkinian
The Legend of Zelda: Majora's Mask
Majora's Mask counterpart to Ship of Harkinian, built from the mm decompilation on the libultraship framework.
AC6Recomp
Ace Combat 6: Fires of Liberation
Work-in-progress port of Ace Combat 6 built on the ReXGlue SDK, recompiling the PowerPC code to x86-64 while graphics still go through a Xenia-derived backend.
Advanced Mac Substitute
Classic Mac OS (68K Toolbox)
Reimplementation of the 68K Mac OS Toolbox that runs classic Mac applications without Apple's ROM or system software.
AltWFC (dwc_network_server_emulator)
Nintendo Wi-Fi Connection
Self-hostable emulator of the Nintendo Wi-Fi Connection servers for DS and Wii games, released after the 2014 shutdown.
angr
Multi-architecture native binaries
Python binary-analysis platform with symbolic execution, control-flow recovery and a decompiler.
Animal Crossing decompilation
Animal Crossing
A fully matching decompilation of the GameCube Animal Crossing, with a companion project for the Japanese e+ release.
Apache POI
Microsoft Office file formats
Java library that reads and writes Word, Excel, PowerPoint, Visio and Outlook files, including the legacy binary formats it originally reverse engineered.
AROS Research Operating System
AmigaOS 3.1
Portable reimplementation of the AmigaOS 3.1 APIs that runs natively on PCs and as a replacement Kickstart on Amigas.
Asahi Linux
Apple Silicon Macs (M1/M2 hardware)
Project that reverse engineers Apple Silicon hardware, including its GPU, to run Linux natively; m1n1 is its bootloader and research tool.
asm-differ
Compiled object code in matching decomps
Script that diffs the assembly of a rebuilt function against the original so decompilers can see what still mismatches.
Atmosphère
Nintendo Switch Horizon OS components
Custom firmware that replaces many Horizon OS system modules and the kernel with open reimplementations.
Banjo-Kazooie (clean room)
Banjo-Kazooie
Banjo-Kazooie playable in the browser without a ROM, from the n64decomp/banjo-kazooie decompilation on EmulatorJS, with every retail texture and sound regenerated by the clean-room pipeline.
Banjo-Kazooie decompilation
Banjo-Kazooie
Matching decompilation of Rare's Banjo-Kazooie that headlines itself at 100%. It provides the symbols and source later used by Banjo: Recompiled.
Banjo-Tooie (clean room)
Banjo-Tooie
Banjo-Tooie playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
Banjo: Recompiled
Banjo-Kazooie
Native PC port of Banjo-Kazooie built with N64: Recompiled, with a Thunderstore mod scene and a mod template.
Basilisk II and SheepShaver
68k and PowerPC Macintosh
Maintained fork of the Basilisk II (68k) and SheepShaver (PowerPC) Mac emulators, which need an original Mac ROM.
Beetle Adventure Racing recomp (continued)
Beetle Adventure Racing!
Continuation of an earlier Beetle Adventure Racing recomp that adds widescreen, a widened HUD and longer draw distance.
Beetle Adventure Racing! decompilation
Beetle Adventure Racing!
Decompilation of Paradigm's Beetle Adventure Racing that currently builds the US release, with other regions planned. It ships no game assets.
Binary Ninja
Multi-architecture native binaries
Commercial reverse engineering platform built around layered intermediate languages; its public API, examples and plugin interface are MIT-licensed on GitHub.
Bomberman 64: Recompiled
Bomberman 64
Statically recompiled native port of Bomberman 64 with new features, built with N64: Recompiled.
Box64
x86-64 Linux userland binaries
Dynamic recompiler that runs x86-64 Linux programs on ARM64 and RISC-V, forwarding library calls to native libraries.
Breath of the Wild decompilation
The Legend of Zelda: Breath of the Wild
Experimental decompilation of version 1.5.0 of Breath of the Wild for Switch, run by the Zelda Reverse Engineering Team.
Butterchurn
MilkDrop (Winamp visualiser)
WebGL implementation of the MilkDrop music visualiser that runs existing presets in the browser.
CADCraft
Autodesk AutoCAD
2D drafting and CAD tool with an AutoCAD-style command line, object snaps and layers, written in Rust.
CMaNGOS
World of Warcraft (Classic era) servers
Continued MaNGOS server emulator focused on accurate World of Warcraft Classic-era gameplay.
Conker’s Bad Fur Day (clean room)
Conker’s Bad Fur Day
Conker’s Bad Fur Day playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
Conker's Bad Fur Day decompilation
Conker's Bad Fur Day
Early-stage decompilation of Conker's Bad Fur Day that also carries asset extraction and model preview tools.
Conker's Bad Fur Day Recompiled
Conker's Bad Fur Day
Native port of Conker's Bad Fur Day using N64: Recompiled plus partly decompiled C, with a custom host app and mods.
Crash Bandicoot: The Wrath of Cortex decompilation
Crash Bandicoot: The Wrath of Cortex
Work-in-progress decompilation of the PS2 Wrath of Cortex, with a parallel GameCube effort.
Cromwell
Original Xbox BIOS
Free, legal BIOS replacement for the original Xbox, written to boot Linux without Microsoft code.
Cutter
Multi-architecture native binaries
Free graphical reverse engineering platform powered by Rizin, with optional decompiler plugins.
Cxbx-Reloaded
Original Xbox kernel and system software
Xbox emulator that reimplements the console's kernel and libraries at a high level so games run on Windows.
Darkflame Universe
LEGO Universe servers
Server emulator that brings back LEGO Universe, the MMO shut down in 2012, for players with the original client.
Darling
Apple macOS (Darwin userland)
Translation layer that runs macOS command-line and some GUI programs on Linux by reimplementing Darwin and macOS frameworks.
Daytona USA static recompilation
Daytona USA
Translates the Model 2 board's i960 main program and its TGP geometry code into portable C++ and reimplements the graphics hardware natively, checking results against MAME; needs the user's own ROM set and has ports to phones and the Vita.
DeckCraft
Microsoft PowerPoint
Presentation and slide-show editor that follows the PowerPoint workflow, written in Rust.
decomp-permuter
C source in matching decomps
Randomly rewrites C functions and scores the compiled output to find variants that match the target binary.
decomp-toolkit (dtk)
GameCube and Wii PowerPC executables
Toolkit for splitting, analysing and relinking GameCube/Wii DOL and REL files in matching decomps.
decomp.dev
Decomp project progress reports
Progress-tracking website and GitHub bot that charts how much of each participating decomp project is matched.
decomp.me
Functions from matching decomp projects
Collaborative website where people share "scratches" of single functions and iterate on C until it compiles to matching assembly.
DesignCraft
Adobe InDesign
Page layout and publishing editor that follows the InDesign workflow, written in Rust.
Devilution
Diablo
Reconstructed source for Diablo, guided by symbol data left on the Japanese PlayStation port and a debug build hidden in the PC release. DevilutionX grew from it.
DevilutionX
Diablo and Hellfire
Modern, cross-platform Diablo built on the Devilution reconstruction; it needs DIABDAT.MPQ from your copy, or plays the shareware data.
Dexed
Yamaha DX7
FM synthesiser plugin that models the DX7's sound engine and loads its original sysex patch banks.
Diddy Kong Racing (clean room)
Diddy Kong Racing
Diddy Kong Racing playable in the browser without a ROM, from the Diddy Kong Racing decompilation and SDL2 PC port, with every retail texture and sound regenerated by the clean-room pipeline.
Diddy Kong Racing decompilation
Diddy Kong Racing
Diddy Kong Racing rebuilt as matching C, with decompilation finished and documentation tracked separately. An SDL2 PC port has grown from it.
Digger Remastered
Digger
Long-running reconstruction of Windmill Software's Digger in portable C, with enhancements.
Dinosaur Planet decompilation
Dinosaur Planet (unreleased)
Decompilation of Rare's cancelled Dinosaur Planet from the leaked prototype build. Dinosaur Planet: Recompiled uses its findings.
Dinosaur Planet: Recompiled
Dinosaur Planet (unreleased)
Native port of the December 2000 prototype of Rare's cancelled Dinosaur Planet, made with N64: Recompiled and patched using the decompilation's findings.
DirPlayer
Adobe Shockwave Player
Shockwave Player emulator in Rust and WebAssembly, with a browser extension and polyfill that bring Director web games back to modern browsers, plus a Lingo debugging app.
DirtSand
Myst Online: Uru Live servers
Open-source server for Myst Online: Uru Live and the Plasma engine, used by community shards.
DKC1Recomp
Donkey Kong Country
Static recompilation of the SNES Donkey Kong Country (USA 1.0) into native code, at a playable bring-up stage with host-side widescreen.
Donkey Kong 64 (clean room)
Donkey Kong 64
Donkey Kong 64 playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
Donkey Kong 64 decompilation
Donkey Kong 64
Work-in-progress matching decompilation of Donkey Kong 64, hosted on GitLab rather than GitHub. No overall percentage is published in the repository metadata.
Donkey Kong 64: Recompiled
Donkey Kong 64
N64: Recompiled port of Donkey Kong 64 that runs natively through RT64 with new options and enhancements; you provide the ROM.
Doom 64 (clean room)
Doom 64
Doom 64 playable in the browser without a ROM, from the DOOM64-RE reverse engineering on N64Wasm, with every retail texture and sound regenerated by the clean-room pipeline.
DOOM source release
DOOM
id Software's release of the Linux DOOM engine source in 1997, relicensed under the GPL in 1999. Nearly every Doom source port descends from it.
DOOM64-RE
Doom 64
Complete reverse engineering of Doom 64 into buildable C by GEC, targeting the original N64 SDK toolchain.
dr-mario-disassembly
Dr. Mario
A byte-exact disassembly of the NES Dr. Mario, assembled with asm6f.
Dr. Mario 64 (clean room)
Dr. Mario 64
Dr. Mario 64 playable in the browser without a ROM, from the drmario64 decompilation on EmulatorJS, with every retail texture and sound regenerated by the clean-room pipeline.
Dr. Mario 64 decompilation
Dr. Mario 64
Matching decompilation of Dr. Mario 64 that also builds the Chinese iQue release and another regional variant.
dragon-warrior-disassembly
Dragon Warrior
Annotated disassembly of the North American Dragon Warrior for the NES, reassembled with Ophis.
DreamPi
Sega Dreamcast online (dial-up)
Raspberry Pi daemon that answers a Dreamcast's dial-up modem and bridges it to the internet for revived online games.
Duke Nukem: Zero Hour (clean room)
Duke Nukem: Zero Hour
Duke Nukem: Zero Hour playable in the browser without a ROM, from the Duke Nukem: Zero Hour decompilation in a browser N64 emulator, with every retail texture and sound regenerated by the clean-room pipeline.
Dwasm
Doom
PrBoom+/PrBoomX-based Doom engine compiled to WebAssembly; you pick an IWAD such as the shareware DOOM1.WAD.
EasyRPG Player
RPG Maker 2000/2003 runtime
Free interpreter that runs RPG Maker 2000/2003 games on many platforms without the original runtime.
ebsrc
EarthBound / Mother 2
A buildable disassembly that reassembles the US EarthBound, its 1995 localization prototype and Japanese Mother 2 from a user's ROM, intended to grow into a C decompilation.
EdgeOfTimeRecompiled
Spider-Man: Edge of Time
Unofficial PC port of the Xbox 360 Spider-Man: Edge of Time made by a small fan team; it only distributes through GitHub Releases.
EffectCraft
Adobe After Effects
Motion graphics and compositing tool that follows the After Effects workflow, written in Rust.
Eleven
macOS apps, binaries, shaders and models
Agent-first macOS reverse engineering workbench running analysis on Ghidra through REA; any ACP agent can rename, annotate and propose patches, which the human accepts or declines.
EmuTOS
Atari TOS
Free replacement for the Atari ST TOS ROM, usable in emulators and on real Atari and compatible hardware.
Eternal Sonata Reprise
Eternal Sonata
Recompiles the Xbox 360 Eternal Sonata executable to native x86-64 through a ReXGlue SDK fork, with a host runtime for mods and overlays; players extract their own disc on first run.
Executor
Classic Mac OS Toolbox
Classic Mac emulator that ran 68k Mac applications by reimplementing the Macintosh Toolbox instead of using Apple ROMs.
F-Zero X (clean room)
F-Zero X
F-Zero X playable in the browser without a ROM, from the fzerox decompilation on N64Wasm, with every retail texture and sound regenerated by the clean-room pipeline.
F-Zero X decompilation
F-Zero X
Work-in-progress matching decompilation of F-Zero X, with a sister repository for the 64DD Expansion Kit. Most of the code is already matched.
Fasttracker 2 clone
Fasttracker II
Highly accurate C re-creation of Fasttracker II's editor, replayer and quirks.
FEX
x86 and x86-64 Linux binaries
Usermode x86 and x86-64 emulator for ARM64 Linux with a JIT and library thunking, used to run PC games on ARM.
FigCraft
Figma
Interface design and prototyping tool following Figma's workflow, with interactions, variables and flows, in Rust.
FilmCraft
Adobe Premiere Pro
Nonlinear video editor with colour and sound tools modelled on the Premiere Pro workflow; each release also ships a browser build as a zip.
Final Fantasy VII decompilation
Final Fantasy VII
Matching decompilation of the original PlayStation Final Fantasy VII, from the author of sotn-decomp.
fireemblem8u
Fire Emblem: The Sacred Stones
Decompilation of Fire Emblem: The Sacred Stones (US) that builds a matching ROM.
Flashpoint Archive
Web games and animations (Flash, Shockwave, Unity Web and more)
Large preservation archive and launcher that keeps web games and animations from defunct browser plugins playable offline.
Freedoom
Doom (game data)
A complete set of freely licensed levels, graphics and sounds that lets Doom engines run without id Software's data files.
FreeDOS
MS-DOS
Complete MS-DOS-compatible operating system for running classic DOS software and games.
Frida
Running processes on desktop and mobile OSes
Dynamic instrumentation toolkit that injects scripts into live processes to trace and hook functions.
G1R Deluxe (Gen1Recomp)
Pokémon Generations 1-3
Despite the name, a hand-written Lua/LÖVE2D recreation of the Gen 1-3 Pokémon games that decodes data and graphics from a player-supplied ROM.
GCRecomp (GameCubeRecompiled)
GameCube PowerPC DOL executables
Experimental project that statically recompiles GameCube DOL code into Rust plus a minimal runtime, inspired by N64: Recompiled.
Ghidra
Multi-architecture native binaries
Open-source reverse engineering suite from the NSA with a disassembler, decompiler and scripting; first published at RSA Conference 2019.
Ghostship
Super Mario 64
HarbourMasters' Super Mario 64 port, which also converts your ROM on-device in its Android build.
GNU Octave
MATLAB language
High-level numerical computing language and environment that runs most MATLAB scripts unchanged.
Goemon64Recomp
Mystical Ninja Starring Goemon
Unofficial PC port of Mystical Ninja Starring Goemon built with N64: Recompiled, currently in development releases.
GoldenEye 007 (clean room)
GoldenEye 007
GoldenEye 007 playable in the browser without a ROM, from the n64decomp/007 decompilation on N64Wasm, with every retail texture and sound regenerated by the clean-room pipeline.
GoldenEye 007 decompilation
GoldenEye 007
Long-running effort to rebuild Rare's GoldenEye 007 as matching C for its NTSC, PAL and Japanese ROMs. Its public status page now shows the code at 100%.
GoldenEye 007 PC Recompilation
GoldenEye 007 (Xbox 360 remaster)
Native PC recompilation of the Xbox 360 remaster of GoldenEye 007, a hobby work in progress.
GoldenRecomp
GoldenEye 007
Experimental N64: Recompiled build of GoldenEye 007 that reworks the decompilation to drop TLB use so the recompiler can handle it.
Graveshift (clean room)
Wave-based zombie survival shooters (original game in that style)
Round-based zombie survival in an original cinema map, plus bot deathmatch, on a Three.js engine derived from the MIT-licensed kino-der-toten project, using only CC0 or generated art and sound.
GridCraft
Microsoft Excel
Spreadsheet application that follows the Excel workflow, written in Rust for desktop and browser.
GTA2 RE
Grand Theft Auto 2
Reimplements the PC GTA2 10.5 executable function by function, compiled with Visual C++ 6 to match the original code, and can run either standalone or patched into the retail exe.
Haiku
BeOS
Open-source operating system that recreates BeOS and stays compatible with its applications.
Halo 1 decompilation
Halo: Combat Evolved
Matching decompilation of an original Xbox build of Halo: Combat Evolved; the OpenCE port starts from a fork of it.
Halo: Combat Evolved (clean room)
Halo: Combat Evolved
Halo: Combat Evolved compiled to WebAssembly from the CC0 OpenCE decompilation; the 10 campaign levels and 13 multiplayer maps keep their geometry and scripts while every texture, sound and font is regenerated or CC0.
Harvest Moon 64 (clean room)
Harvest Moon 64
Harvest Moon 64 playable in the browser without a ROM, from the hm64-decomp decompilation on N64Wasm, with every retail texture and sound regenerated by the clean-room pipeline.
Harvest Moon 64 decompilation
Harvest Moon 64
Decompilation of Harvest Moon 64 whose US and Japanese versions are now fully decompiled, including asset and animation extraction tools.
Harvest Moon 64: Recompiled
Harvest Moon 64
Native port of Harvest Moon 64 made with N64: Recompiled, with enhancements and mod support; it borrows headers and some functions from the hm64 decompilation for its patches.
Hell's Gate (Dante's Inferno recomp)
Dante's Inferno
Xbox 360 to PC port of Dante's Inferno using ReXGlue static recompilation, in beta.
IDA Pro
Multi-architecture native binaries
Long-running commercial interactive disassembler; the Hex-Rays decompiler add-on followed in 2007. Proprietary, listed as a link only.
ido-static-recomp
SGI IRIX IDO 5.3/7.1 compiler binaries
Statically recompiles the original IRIX IDO compiler so matching N64 decomps can build with it on modern systems.
ImHex
Binary files and data formats
Hex editor for reverse engineers with a pattern language for describing and visualising file formats.
Impostor
Among Us servers
Open-source reimplementation of the Among Us game server for private and modded hosting.
Infinite Mac
Classic Mac OS and early Mac OS X
Browser-based collection of classic Macintosh systems running in WebAssembly ports of Basilisk II, SheepShaver, Mini vMac and others.
Insignia
Xbox Live 1.0
Closed-source revival service that brings Xbox Live matchmaking and online play back to original Xbox games.
Internet Archive Software Collection
Historic software of all kinds
Internet Archive's software collection, with many historic programs and games runnable in the browser through emulation.
JD-GUI Duo
Java bytecode (.class / .jar)
Desktop Java decompiler front end, a JD-GUI successor that lets you switch between several decompiler engines (JD-Core, CFR, Procyon, Fernflower, Vineflower, Jadx) on the same class.
JS Paint
Microsoft Paint
Web remake of classic MS Paint that copies its tools and look, adding extras such as unlimited undo and multi-user editing.
JSDecloak
Obfuscated JavaScript
In-browser JavaScript deobfuscation workbench that formats code, runs Webcrack, Synchrony or Wakaru, and does binding-aware renaming.
Kirby 64 decompilation
Kirby 64: The Crystal Shards
Work-in-progress decompilation of Kirby 64: The Crystal Shards, now maintained under the Kirby64Ret organisation. Requires your own ROM to build.
Kirby: Nightmare in Dream Land decompilation
Kirby: Nightmare in Dream Land
A 2026 matching decompilation of the GBA Kirby remake, built inside a pinned Docker toolchain and reported fully matched on decomp.dev.
LADX-Disassembly
The Legend of Zelda: Link's Awakening DX
Disassembly of Link's Awakening DX that reassembles into the original ROMs, with ongoing labelling of code and data.
LandSandBoat
Final Fantasy XI servers
Server emulator for Final Fantasy XI, continuing the earlier DarkStar and Topaz projects.
LAS Recomp
The Legend of Zelda: Link's Awakening (2019)
Beta static recompilation of the Switch Link's Awakening remake that performs the recompile locally from the user's v1.0.0 game files, adding unlocked aspect ratios, remapping and a built-in randomizer.
LEGO Island decompilation (isle)
LEGO Island
A complete decompilation of LEGO Island 1.1 that aims for instruction-level accuracy with the original Visual C++ 4.2 build; a portable fork grew from it.
LibreDWG
AutoCAD DWG format
GNU library and command-line tools to read and write AutoCAD DWG drawings, built from format documentation and reverse engineering.
libultraship
Decompiled N64 games being ported to PC
Shared porting layer (rendering, audio, input, resource loading) behind Harbour Masters PC ports such as Ship of Harkinian.
LightCraft
Adobe Lightroom
Photo library and non-destructive raw development tool that follows the Lightroom workflow, written in Rust.
Lightspark
Adobe Flash Player
Open-source Flash Player implementation in C++ with ActionScript 3 support.
LLM4Decompile
x86-64 Linux binaries
Open research family of large language models that decompile binaries to C, published with an EMNLP 2024 paper.
Lost Odyssey Recomp
Lost Odyssey
Experimental native port of the Xbox 360 RPG Lost Odyssey using static recompilation; data comes from your own discs.
Lotus 1-2-3 for Linux (123elf)
Lotus 1-2-3 Release 3 for UNIX
Converts the System V COFF objects of Lotus 1-2-3 for UNIX into ELF and links them against compatibility shims so the spreadsheet runs natively on Linux.
m2c (formerly mips_to_c)
MIPS, PowerPC, ARM and SuperH assembly
Decompiler that turns assembly into a first-draft C function for matching decomp work; originally named mips_to_c.
Macintosh Garden
Classic Macintosh software
Community archive cataloguing classic Mac games and applications as abandonware; copyright status varies by title.
Majora's Mask decompilation
The Legend of Zelda: Majora's Mask
Matching C decompilation of the US 1.0 release of Majora's Mask by the Zelda Reverse Engineering Team. It underpins 2 Ship 2 Harkinian and Zelda 64: Recompiled.
MAME
Arcade and computer hardware
The multi-system emulator whose goal is to document hardware by emulating it; one of the longest-running preservation projects in software.
Marathon Recompiled
Sonic the Hedgehog (2006)
Static recompilation of the Xbox 360 Sonic the Hedgehog (2006) into a native PC port, still marked as not ready for public use.
Mario Kart 64 (clean room)
Mario Kart 64
Mario Kart 64 playable in the browser without a ROM, from the n64decomp/mk64 decompilation on EmulatorJS, with every retail texture and sound regenerated by the clean-room pipeline.
Mario Kart 64 decompilation
Mario Kart 64
Matching decompilation of Mario Kart 64 with generated Doxygen documentation. SpaghettiKart and the Mario Kart 64 recomp both build on it.
Mario Kart Wii decompilation
Mario Kart Wii
Matching decompilation of Mario Kart Wii in its early stages.
Mario Party (clean room)
Mario Party
Mario Party playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
Mario Party 2 (clean room)
Mario Party 2
Mario Party 2 playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
Mario Party 3 (clean room)
Mario Party 3
Mario Party 3 playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
Mario Party 4 decompilation
Mario Party 4
Matching decompilation of Mario Party 4 that reports full code coverage; Mario Party 5 and 6 projects followed.
MarioKart64Recomp
Mario Kart 64
N64: Recompiled port of Mario Kart 64 for Windows, Linux and macOS.
Mathics
Wolfram Mathematica (Wolfram Language)
Free interpreter for the Wolfram Language written in Python on top of SymPy and mpmath.
McSema
x86, AMD64, AArch64 and SPARC executables
Framework that lifted whole executables to LLVM bitcode using Remill; the repository is archived.
MediEvil Recomp
MediEvil
Beta static recompilation of the US PlayStation MediEvil by BlackLabelHQ.
Mega Man 64 Recompiled
Mega Man 64
Static recompilation of Mega Man 64 into a native executable.
Metroid Fusion decompilation
Metroid Fusion
Work-in-progress decompilation of Metroid Fusion from the same team as the Zero Mission project.
Metroid Prime decompilation
Metroid Prime
Matching decompilation of the GameCube Metroid Prime, well past the 90% mark by code.
metroid-disassembly
Metroid
Commented 6502 disassembly of the NES Metroid that reassembles into a byte-identical cartridge.
Metroid: Zero Mission decompilation
Metroid: Zero Mission
Metroidret's decompilation of Metroid: Zero Mission with all but a handful of functions matched and all data split out.
MilkyTracker
Fasttracker II
Cross-platform music tracker that reproduces the look and module compatibility of Fasttracker II.
MINI
Wii IOS (Starlet firmware)
Minimal open replacement for the Wii's IOS firmware on the Starlet coprocessor, part of the BootMii project.
Mono
Microsoft .NET Framework
Open-source implementation of the .NET runtime and class libraries, built from the ECMA standards; development has since moved on.
Munt (mt32emu)
Roland MT-32 / CM-32L
Software synthesiser library and drivers that emulate the Roland MT-32 family, used by DOSBox and ScummVM for period-correct game music.
N64: Recompiled
N64 MIPS binaries
Static recompiler that translates N64 game code into C so it can be compiled into native executables; also ships a mod tool.
N64ModernRuntime
N64 OS/libultra calls in ported games
Runtime library that stands in for the N64 operating system and hardware for recompiled or traditionally ported games.
NeoHabitat
Lucasfilm's Habitat
Revival of the 1986 online world Habitat, with a rebuilt server that original Commodore 64 clients connect to.
nes-contra-us
Contra
Annotated disassembly of the US Contra cartridge with diagrams and notes, assembling with cc65 to the exact retail image.
NES-Games-Disassembly
Several NES games (including Excitebike)
A collection of ca65 disassemblies of assorted NES titles, each rebuilding its original ROM.
newserv
Phantasy Star Online servers
Phantasy Star Online game server and proxy covering most versions of the game, plus reverse-engineering tools.
nfs4-decomp
Need for Speed: High Stakes
Early byte-matching decompilation of the PSX High Stakes executable using splat, the original PsyQ compiler with maspsx, and objdiff; the repo is all-rights-reserved, with one authorized port maintained separately.
NFSU2 for Switch
Need for Speed: Underground 2
Lifts the original Xbox NFSU2 executable to C with xboxrecomp and runs it as Switch homebrew or on Linux, with Vulkan/OpenGL renderers, widescreen and split screen; menus and races work, some rendering modes remain.
NTFS-3G
Microsoft NTFS file system
Read/write NTFS driver built from reverse engineering of the on-disk format, running in user space via FUSE.
Nuked-SC55
Roland SC-55 Sound Canvas
Low-level emulator of the Roland SC-55 MIDI module that runs the unit's own firmware to reproduce its sound exactly; the repo is now archived.
objdiff
Object files in decomp projects (MIPS, PowerPC, ARM, x86)
Local GUI and CLI tool that diffs object files function by function and reports progress for decomp projects.
Ocarina of Time decompilation
The Legend of Zelda: Ocarina of Time
Zelda Reverse Engineering Team project that turns Ocarina of Time back into matching C source; the code is fully decompiled and naming and documentation continue. Ship of Harkinian is built on it.
OdysseyDecomp
Super Mario Odyssey
Long-term decompilation of Super Mario Odyssey covering all versions of the game.
oldweb.today
Historic web browsers
Runs emulated vintage browsers in your own browser, connected to web archives so old sites appear as they once did.
Open Road (clean room)
Late-1990s Need for Speed games (via the OpenNFS engine)
A late-90s arcade racer on OpenNFS compiled to WebAssembly: nine classic circuits keep their geometry with regenerated textures, joined by three original tracks and generic cars.
Open RuneScape Classic
RuneScape Classic
Server and client framework that recreates RuneScape Classic after Jagex closed the original in 2018.
Open Test Drive Unlimited (OpenTDU)
Test Drive Unlimited
A new Vulkan-based client for the PC version of Test Drive Unlimited, rebuilt game mode by game mode from the original; it runs on top of an owned install's data and aims at modern-system fixes and cross-platform support.
OpenBarnyard
Barnyard (and the TOSHI 2.0 engine)
Decompiles the PC Barnyard game together with Blue Tongue's in-house TOSHI 2.0 engine into buildable C++, with public API docs and a progress tracker.
OpenBIOS (PCSX-Redux)
PlayStation BIOS
Open-source replacement for the original PlayStation's BIOS, developed with the PCSX-Redux emulator.
OpenCE (Open Community Edition)
Halo: Combat Evolved
Port of a Halo: Combat Evolved decompilation (via a fork of punpckhdq/halo) to Linux, Windows, Android and browsers; game data comes from your own copy.
OpenGMK
GameMaker 8 (Classic) runner
Rust rewrite of the GameMaker Classic runner that plays existing GameMaker 8 executables, with a decompiler and a TAS framework.
OpenGOAL
Jak and Daxter series
Rebuilds the GOAL language toolchain to decompile the Jak and Daxter games and run them natively on PC; work covers Jak 1 through the later sequels at different stages. You supply your own disc.
OpenNFS
Need for Speed (1990s series)
Scratch-built engine that loads tracks, cars and other assets from the original files of Need for Speed 1-5 and aims to replicate the look and handling of each game.
OpenRCT2
RollerCoaster Tycoon 2
An open-source reimplementation of RollerCoaster Tycoon 2 that began by reverse engineering the original executable function by function, now fully native with multiplayer and new features.
OpenSpy
GameSpy online services
Replacement for GameSpy's master servers and services that restores multiplayer to games orphaned by the 2014 shutdown.
OpenSupaplex
Supaplex
C reimplementation of Supaplex written from a full disassembly of the DOS game, ported to many systems.
OpenTTD
Transport Tycoon Deluxe
Open-source transport simulation that began as a reverse-engineered TTD clone and now runs with free replacement graphics, sound and music.
OpenTyrian
Tyrian 2.1
Portable C port of the vertical shooter Tyrian 2.1, which plays with the freeware game data.
oracles-disasm
The Legend of Zelda: Oracle of Ages and Oracle of Seasons
One disassembly that builds both Oracle games and is used by the Oracles randomizer and level editors.
osFree
IBM OS/2
Effort to build an open-source OS/2-compatible operating system, starting with its user-mode parts.
Paper Mario decompilation
Paper Mario
Rebuilds Paper Mario from matching C for several regional releases; the US version reports full code coverage. Widely used as a base for mods and tooling.
PdfCraft
Adobe Acrobat
PDF reader and editor targeting Acrobat Pro's offline feature set; the project calls itself alpha.
Perfect Dark (clean room)
Perfect Dark
Perfect Dark playable in the browser without a ROM, from the Perfect Dark PC port, with every retail texture and sound regenerated by the clean-room pipeline.
Perfect Dark decompilation
Perfect Dark
A complete matching decompilation of Perfect Dark covering several ROM versions. The community PC port is derived from it.
Perfect Dark PC port
Perfect Dark
Port of the Perfect Dark decompilation to modern systems, with mouse aim, high frame rates and widescreen. Builds come from CI rather than tagged versions.
Persona 4 Decompilation
Shin Megami Tensei: Persona 4
Work-in-progress matching decompilation of the US PS2 executable, rebuilding a hash-identical ELF from C plus not-yet-decompiled assembly; not a PC port.
Petari
Super Mario Galaxy
Super Mario Galaxy decompilation whose code is fully matched on decomp.dev while linking continues. Its sister project Garigari covers Galaxy 2.
PhotoCraft
Adobe Photoshop
Layer-based image editor with masks, type and PSD support that follows the Photoshop workflow; the engine and UI also compile to WebAssembly.
Pikmin 2 decompilation
Pikmin 2
Decompilation of Pikmin 2 for GameCube that is a hair short of fully matching.
Pikmin decompilation
Pikmin
A complete matching decompilation of the original GameCube Pikmin, with remaining regional versions still being worked on.
Pilotwings 64 (clean room)
Pilotwings 64
Pilotwings 64 in the browser from N64Recomp output with a software RDP renderer, with every retail asset regenerated from coarse facts so no ROM, textures or audio ship.
Pilotwings 64 decompilation
Pilotwings 64
Decompilation of Pilotwings 64; decomp.dev shows all code matched, with linking and naming still under way.
Pinyon Shift
Forza Horizon
Playable preview of a Forza Horizon static recompilation that you build from your own disc, with internal resolutions up to 4K.
pmd-red
Pokémon Mystery Dungeon: Red Rescue Team
Decompilation of Pokémon Mystery Dungeon: Red Rescue Team that already builds a matching ROM while naming continues.
pokecrystal
Pokémon Crystal
The oldest pret project: a complete disassembly of Pokémon Crystal and a staple base for Gen 2 romhacks.
pokediamond
Pokémon Diamond and Pearl
Work-in-progress pret decompilation of Pokémon Diamond and Pearl for the Nintendo DS.
pokeemerald
Pokémon Emerald
pret's matching decompilation of Pokémon Emerald, the most widely used base for modern GBA Pokémon hacks and expansions.
pokefirered
Pokémon FireRed and LeafGreen
Matching decompilation that rebuilds both FireRed and LeafGreen, including later revisions.
pokegold
Pokémon Gold and Silver
pret disassembly that rebuilds both Pokémon Gold and Silver exactly from source.
pokeheartgold
Pokémon HeartGold and SoulSilver
Decompilation of Pokémon HeartGold and SoulSilver for the DS, maintained by pret.
Pokémon Red and Blue (clean room)
Pokémon Red and Blue
Pokémon Red and Blue built from the pret/pokered disassembly and run on EmulatorJS, with all retail graphics and audio regenerated.
Pokémon Snap (clean room)
Pokémon Snap
Pokémon Snap playable in the browser without a ROM, from the pokemonsnap decompilation on N64Wasm, with every retail texture and sound regenerated by the clean-room pipeline.
Pokémon Snap decompilation
Pokémon Snap
Work-in-progress decompilation of Pokémon Snap, close to fully matched by code size. Building it needs your own ROM.
Pokémon Stadium 2 (clean room)
Pokémon Stadium 2
Pokémon Stadium 2 playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
pokeplatinum
Pokémon Platinum
pret's decompilation of Pokémon Platinum, a fast-moving DS project that hack makers are already building on.
pokered
Pokémon Red and Blue
pret's full disassembly of Pokémon Red and Blue that reassembles into the original ROMs. It is the starting point for countless Gen 1 hacks.
pokeruby
Pokémon Ruby and Sapphire
Matching C decompilation of Pokémon Ruby and Sapphire for the Game Boy Advance.
poketcg
Pokémon Trading Card Game
Disassembly of the Game Boy Color Pokémon Trading Card Game that reassembles into the original cartridge image.
pokeyellow
Pokémon Yellow
Disassembly of Pokémon Yellow from pret, built alongside pokered and producing a byte-identical ROM.
ppc2cpp
32-bit PowerPC binaries
Reverse engineering tool for 32-bit PowerPC code aimed at translating it to C++.
Pretendo Network
Nintendo Network (Wii U / 3DS online services)
Replacement servers for Nintendo Network, rebuilt from the protocol, so Wii U and 3DS online features keep working after Nintendo's shutdown.
projectM
MilkDrop (Winamp visualiser)
Cross-platform library that reimplements MilkDrop so its presets can drive visualisations in many media players.
ProjectorRays
Macromedia/Adobe Director (Shockwave)
Decompiler that turns protected Director movies and Shockwave files back into editable movies with readable Lingo source.
ProTracker 2 clone
ProTracker 2
Re-creation of the Amiga ProTracker 2 module editor, including emulation of the Amiga's audio output.
PS2Recomp
PS2 Emotion Engine (MIPS R5900) executables
Experimental static recompiler and runtime aiming to turn PlayStation 2 executables into native programs.
QB64 Phoenix Edition
Microsoft QuickBASIC / QBasic
Compiler and IDE that keeps QuickBASIC/QBasic source compatibility while producing native 64-bit programs.
Quake III Arena source release
Quake III Arena
id Software's GPL release of the id Tech 3 engine and game code in 2005, which ioquake3 and many later games are built on.
Quake source release
Quake
The Quake engine source, released by id Software under the GPL in 1999; the base for QuakeSpasm, ioquake-style ports and many engines.
Quest 64: Recompiled
Quest 64
N64: Recompiled port of the RPG Quest 64 with added features and enhancements.
Qwasm
Quake
Browser port of the Quake engine with WebGL and software rendering, mods and mission packs; you supply PAK files.
radare2
Multi-architecture native binaries
Command-line, UNIX-style reverse engineering framework with disassembly, debugging, patching and scripting.
re-plants-vs-zombies
Plants vs. Zombies (GOTY)
Reverse-engineered rebuild of the GOTY Plants vs. Zombies that modernises the old engine and swaps legacy DirectX for a GLFW backend.
re3
Grand Theft Auto III and Vice City
Reverse-engineered source for GTA III (and the reVC branch for Vice City). The GitHub repository has been blocked since a 2021 DMCA takedown and now returns HTTP 451.
REA
Native binaries, JavaScript/Electron apps, .NET assemblies and websites
Toolkit that connects AI coding agents (or a terminal) to local inspection tools, using an existing Ghidra, IDA or Hopper install for native code and reporting evidence for each conclusion.
ReactOS
Microsoft Windows NT (Server 2003 era)
Free operating system written from scratch to be binary-compatible with Windows NT drivers and applications.
Remill
x86, AMD64, AArch64 and SPARC machine code
Library that lifts machine-code instructions to LLVM bitcode, the base of several binary lifters.
Render96ex
Super Mario 64
sm64-port fork from the Render96 team aimed at their HD model and texture packs.
reSL
ShortLine
Reverse-engineered reconstruction of ShortLine v1.1, a 1992 DOS railway puzzle by DOKA, also playable in the browser.
RetDec
x86, ARM, MIPS, PowerPC and other machine code
Retargetable machine-code decompiler built on LLVM, open-sourced by Avast; the latest release is from 2022.
RevEng.AI
Native binaries (AI-assisted analysis)
Commercial AI binary-analysis service with plugins for common disassemblers; the GitHub repo is its MIT Python SDK.
ReXGlue SDK
Xbox 360 executables
Xbox 360 recompilation runtime and toolkit used by several 2026 community ports.
Rizin
Multi-architecture native binaries
Reverse engineering framework and CLI that began as a fork of radare2, focused on usability and a stable API.
RSDKv3 Decompilation
Sonic CD (2011)
Decompilation of Retro Engine v3 for the 2011 Sonic CD remaster, letting it run on many platforms with your own data file.
RSDKv4 Decompilation
Sonic the Hedgehog and Sonic 2 (2013 remasters)
Decompiled Retro Engine v4 that runs the 2013 mobile remasters of Sonic 1 and 2 natively; you supply the game data.
RSDKv5 Decompilation
Retro Engine v5 (Sonic Mania)
Decompilation of the Retro Engine v5 runtime that hosts the Sonic Mania decompilation and its mods.
RT64
N64 graphics (RDP) rendering
An N64 graphics renderer with widescreen, high frame rate and enhancement support, used by Zelda 64: Recompiled and other N64Recomp ports.
Ruffle
Adobe Flash Player
Flash Player emulator in Rust that runs SWF content natively and in browsers through WebAssembly, so old Flash games and animations keep working.
s1disasm
Sonic the Hedgehog
Sonic Retro's community disassembly of the first Mega Drive Sonic, the long-standing base for Sonic 1 hacks.
s2disasm
Sonic the Hedgehog 2
Sonic Retro's disassembly of Sonic 2 for the Mega Drive, buildable on Windows and with Lua elsewhere.
Samba
Microsoft SMB/CIFS and Active Directory protocols
Reverse-engineered implementation of Windows file and print sharing and Active Directory domain services.
Schism Tracker
Impulse Tracker
Re-creation of the Impulse Tracker music editor's interface and playback for modern systems.
ScummVM
Point-and-click adventure engines
Reimplementations of dozens of classic adventure and RPG engines, run with the original data; several titles are freeware.
Ship of Harkinian
The Legend of Zelda: Ocarina of Time
HarbourMasters' PC port of Ocarina of Time compiled from the zeldaret decompilation, with enhancements, a randomizer and mod support. Assets are extracted from your own ROM.
Silent Hill decompilation
Silent Hill
Decompilation of the 1.1 US release of Silent Hill that is essentially at 100% of functions, with naming and cleanup as the next phase.
Skate 3 (clean room)
Skate 3
Skate 3 on a from-scratch Rust and Bevy engine running in WebGPU, with seven parks rebuilt from regenerated textures, sounds and meshes, two original maps and online rooms for up to ten players.
Skate 3 native recompilation
Skate 3
Native recompilation of the Xbox 360 Skate 3; since v2.0.0 it renders through its own Direct3D 12 and Vulkan backend instead of emulating the console GPU.
skyroads-32x
SkyRoads
SkyRoads engine reconstructed from the retail binary and ported to the Sega 32X and desktop.
Skyward Sword decompilation
The Legend of Zelda: Skyward Sword
Early-stage decompilation of the Wii Skyward Sword from the Zelda Reverse Engineering Team.
sm (Super Metroid)
Super Metroid
snesrev's early C reimplementation of Super Metroid, which runs the original code alongside to catch mismatches frame by frame.
sm64coopdx
Super Mario 64
Online multiplayer Super Mario 64 with Lua mods, continuing the sm64ex-coop project.
sm64ex
Super Mario 64
Fork of sm64-port that added widely used extras such as an options menu and texture pack support. Many later Mario 64 PC builds descend from it.
smb2
Super Mario Bros. 2
Disassembly of the US Super Mario Bros. 2, used for documentation and hacking.
smw (Super Mario World)
Super Mario World
A reverse-engineered C reimplementation of Super Mario World, playable start to finish, that extracts levels and graphics once from your own ROM.
Snowboard Kids 2 decompilation
Snowboard Kids 2
Decompilation of Snowboard Kids 2 that reached full code matching and feeds the Snowboard Kids 2 recomp.
Snowboard Kids 2 Recompiled
Snowboard Kids 2
Native PC version of Snowboard Kids 2 via N64: Recompiled, a companion to the same author's decompilation.
Software Heritage
Source code
Universal archive that collects and preserves the source code and history of publicly available software.
Sonic Adventure 2: Battle decompilation
Sonic Adventure 2: Battle
A young decompilation of the GameCube Sonic Adventure 2: Battle, started in 2026.
Sonic Mania Decompilation
Sonic Mania
Full decompilation of Sonic Mania's game code, paired with the separate RSDKv5 engine decompilation and your own data.
sotn-decomp
Castlevania: Symphony of the Night
Matching decompilation of Symphony of the Night that tracks the PlayStation, PSP and Saturn releases together.
SoundCraft
Avid Pro Tools
Audio recording, editing and mixing workstation modelled on Pro Tools' edit and mix windows, in Rust.
SpaceCadetPinball
3D Pinball for Windows – Space Cadet
Decompilation of the Windows Space Cadet pinball table that runs natively with SDL2. Normally it needs the original data files.
SpaghettiKart
Mario Kart 64
Mario Kart 64 PC port built on the mk64 decompilation by HarbourMasters, with enhancements and modding.
spimdisasm
MIPS binaries (N64, PS1, PS2, IRIX)
MIPS disassembler that emits re-assemblable assembly with symbol tracking; used as the disassembly backend for splat.
splat
N64, PS1, PS2 and other MIPS ROMs/binaries
Binary splitting tool that carves a ROM or executable into assembly, data and asset segments as the starting point for a decomp.
Star Fox 64 (clean room)
Star Fox 64
Star Fox 64 playable in the browser without a ROM, from the sf64 decompilation on N64Wasm, with every retail texture and sound regenerated by the clean-room pipeline.
Star Fox 64 decompilation
Star Fox 64
Complete matching decompilation of Star Fox 64, with every function matched. It is the source base for the Starship PC port.
Starfox64Recomp
Star Fox 64
Static recompilation of Star Fox 64 into a native PC game, from the author of the sf64 decompilation.
Starship
Star Fox 64
PC port of Star Fox 64 built from the sf64 decompilation by HarbourMasters, with modern rendering options.
Super Mario 64 (clean room)
Super Mario 64
Super Mario 64 playable in the browser without a ROM, from the n64decomp/sm64 decompilation (sm64-port), with every retail texture and sound regenerated by the clean-room pipeline.
Super Mario 64 decompilation
Super Mario 64
A full C reconstruction of Super Mario 64 that rebuilds byte-identical ROMs for every regional release, including the iQue version. It is the base most later Mario 64 PC ports and mods grew from.
Super Mario Bros. (clean room)
Super Mario Bros.
Super Mario Bros. rebuilt from its disassembly and run on EmulatorJS, with every tile, sprite and sound regenerated so no retail ROM data ships.
Super Mario Sunshine decompilation
Super Mario Sunshine
Work-in-progress matching decompilation of Super Mario Sunshine.
Super Mario World (clean room)
Super Mario World
Super Mario World from the snesrev C reimplementation compiled to WebAssembly, with every graphic and sound regenerated so no ROM is needed.
Super Smash Bros. (clean room)
Super Smash Bros.
Super Smash Bros. playable in the browser without a ROM, from the ssb-decomp-re decompilation on N64Wasm, with every retail texture and sound regenerated by the clean-room pipeline.
Super Smash Bros. decompilation
Super Smash Bros.
Decompilation of the original N64 Super Smash Bros.; decomp.dev counts all code as matched while linking and cleanup continue.
Super Smash Bros. Melee decompilation
Super Smash Bros. Melee
Matching decompilation of the US release of Melee, now fully decompiled. It opens the door to deeper mods and netplay tooling built on real source.
SWGEmu
Star Wars Galaxies servers
Server emulator recreating Star Wars Galaxies as it played before the 2005 combat overhaul.
SymphonyRecomp
Castlevania: Symphony of the Night
Open beta static recompilation of the PlayStation Symphony of the Night from BlackLabelHQ; separate from the sotn-decomp project.
System7
Apple Macintosh System 7
Experimental bootable reimplementation of classic Mac OS System 7 for x86 PCs, documented through reverse-engineering notes.
The Emularity
In-browser emulators
JavaScript loader that embeds browser emulators such as MAME and DOSBox ports in a web page; it powers the Internet Archive's in-browser software.
The Legend of Zelda: Majora's Mask (clean room)
The Legend of Zelda: Majora's Mask
Majora's Mask running on a WebGL2 build of 2 Ship 2 Harkinian, with all retail assets regenerated by the clean-room pipeline so no ROM is needed.
The Legend of Zelda: Ocarina of Time (clean room)
The Legend of Zelda: Ocarina of Time
Ocarina of Time running on a WebGL2 build of Ship of Harkinian, with all retail textures, audio and text assets regenerated so the build needs no ROM.
The Minish Cap decompilation
The Legend of Zelda: The Minish Cap
Zelda Reverse Engineering Team decompilation of The Minish Cap, reported at 100% on the team's progress site.
The Wind Waker decompilation
The Legend of Zelda: The Wind Waker
Work-in-progress matching decompilation of The Wind Waker for GameCube, most of the way through its code.
Torch
Game assets in ROMs (N64 and others)
Generic asset extractor and processor used by Harbour Masters ports to pull assets from a user-supplied ROM.
TrinityCore
World of Warcraft servers
Open-source MMORPG server framework that emulates World of Warcraft's server side for several client versions.
Twilight Princess decompilation
The Legend of Zelda: Twilight Princess
Zelda Reverse Engineering Team decompilation of Twilight Princess whose GameCube code fully matches, with linking and other versions still in progress.
TY the Tasmanian Tiger decompilation
TY the Tasmanian Tiger
Decompilation of the GameCube version of Krome's TY the Tasmanian Tiger.
Unleashed Recompiled
Sonic Unleashed (Xbox 360)
Unofficial native PC port of the Xbox 360 Sonic Unleashed, the showcase project for the XenonRecomp toolchain, with high resolutions, ultrawide, unlocked frame rates and modding.
v86
x86 PC hardware
x86 PC emulator that JIT-compiles guest code to WebAssembly and boots DOS, Linux, BSD and other systems in the browser.
VectorCraft
Adobe Illustrator
Vector illustration app aiming for Illustrator workflow parity, written from public documentation only in pure Rust; releases include native builds and a self-hostable WebAssembly build (no hosted copy found).
Video Game History Foundation
Video game history materials
Nonprofit that preserves and makes available video game development materials, magazines and history for research.
ViperCard
Apple HyperCard
Browser rewrite of HyperCard with stacks, cards and a HyperTalk-style scripting language.
Wario Land 4 decompilation
Wario Land 4
Fork of lilDavid's Wario Land 4 decompilation that reports every function converted to C, though a few assembly sites remain.
Wave Race 64 (clean room)
Wave Race 64
Wave Race 64 playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
Webamp
Winamp 2
Winamp 2 rebuilt in JavaScript for the browser, with classic skin support, playlist and equaliser; embeddable as an npm package.
WiiLink
Wii channels (WiiConnect24 services)
Revives discontinued Wii channels and WiiConnect24 services with replacement servers and a patcher.
WiiLink WFC
Nintendo Wi-Fi Connection
Open-source server replacement for Nintendo Wi-Fi Connection, run by the WiiLink team.
Wiimmfi
Nintendo Wi-Fi Connection
Closed-source replacement for Nintendo Wi-Fi Connection that keeps online play alive for hundreds of Wii and DS games.
Wine
Microsoft Windows API
Compatibility layer that reimplements the Windows API so Windows programs run on POSIX systems without a Windows licence.
WordCraft
Microsoft Word
Word processor with a ribbon-and-styles workflow modelled on Microsoft Word, built from scratch in Rust.
WordPerfect for UNIX (wpunix)
WordPerfect 8 for UNIX
Build scripts and binary patches that make the terminal version of WordPerfect for UNIX run on modern Linux.
x64dbg
Windows x86 and x64 user-mode programs
Open-source user-mode debugger for Windows aimed at reverse engineering and malware analysis.
xemu
Original Xbox
Low-level original Xbox emulator based on QEMU that runs the console's own system software.
Xenia Canary
Xbox 360 kernel and system software
Xbox 360 emulator that reimplements the console's kernel and system libraries at a high level; Canary is the actively updated fork.
XenonRecomp
Xbox 360 PowerPC executables
Static recompiler that converts Xbox 360 PowerPC code into C++ for native builds; used for Unleashed Recompiled.
XenosRecomp
Xbox 360 Xenos GPU shaders
Converts Xbox 360 shader binaries into HLSL, the shader half of the hedge-dev recompilation toolchain.
XLink Kai
System link / LAN play on consoles
Tunnelling service that carries console system-link and LAN traffic over the internet so local multiplayer games can be played online.
Yoshi’s Story (clean room)
Yoshi’s Story
Yoshi’s Story playable in the browser without a ROM, from the original game program running in a browser N64 emulator (mupen64plus-next via EmulatorJS), with every retail texture and sound regenerated by the clean-room pipeline.
ZAPD
Zelda 64 asset extraction
Zelda Asset Processor for Decomp: extracts and rebuilds assets for the Ocarina of Time and Majora's Mask decompilations.
Zelda 64: Recompiled
The Legend of Zelda: Majora's Mask
The flagship N64: Recompiled port: Majora's Mask statically recompiled into a native PC game with RT64 rendering, high frame rates, widescreen and mod support. Ocarina of Time support is planned.
zelda1-disassembly
The Legend of Zelda
A complete, commented 6502 disassembly of the original NES Legend of Zelda.
zelda3
The Legend of Zelda: A Link to the Past
A hand-written C reimplementation of A Link to the Past that runs natively and can verify itself frame by frame against the original code; it adds widescreen, MSU-1 audio and bug fixes, and takes assets from your ROM.