Recomp / Games / Nintendo Switch
OpenSmash-Ultimate
Merged successor of WindowSmash and ssbu-recomp: one ARM64-to-C static recompilation of Smash Ultimate 13.0.5 with a shared runtime, built locally from the player's own dump, keys and firmware. Releases are a .NET launcher/installer; Linux and macOS are experimental.
Static recomp AI-assisted releasedFacts
- Original
- Super Smash Bros. Ultimate (2018)
- Platform
- Nintendo Switch
- Method
- Static recomp
- Provenance
- AI-assisted · 39 of the last 100 commits carry Claude Co-Authored-By trailers. what this means
- Status
- released
- Licence
- GPL-3.0
- Team
- OpenSmash-Ultimate, Denkishi, SNO2207
- Started
- 2026-10
- First release
- 2026-11
- Runs on
- Windows, Linux, macOS
- Needs the original
- Yes: you supply your own legally obtained copy
How to get it legally
This project ships code only. Build or download it from the official repository, then supply data from a copy of Super Smash Bros. Ultimate you own. Recomp never links to ROMs, discs or game data.
This project was recompiled by OpenSmash-Ultimate, Denkishi, SNO2207. Facts last checked 2026-11-04. Suggest a correction
Sources
Related
All games →
SSBU (WindowSmash for PS4)
Super Smash Bros. Ultimate
Port of the WindowSmash Smash Ultimate recompilation to jailbroken PS4 consoles, drawing through DXVK on a patched RADV driver with FSR 1 and four-player support. Source and build tooling only; the player builds it from their own dump.
SSBU Decomp
Super Smash Bros. Ultimate (13.0.4)
Matching decompilation of patch 13.0.4 of Super Smash Bros. Ultimate for Switch (AArch64), with verified byte-identical function counts in the README.
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Super Smash Bros. Ultimate (v13.0.4)
Static recompilation of Smash Ultimate 13.0.4 into a native Windows program with its own runtime and Vulkan renderer, plus tools to turn fighter scripts back into editable C++.
WindowSmash
Super Smash Bros. Ultimate
Toolkit that statically recompiles Super Smash Bros. Ultimate from AArch64 into a native Windows program with a D3D11 runtime and local-wireless netplay relay; built from your own dump.
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1080° Snowboarding
Matching decompilation of the US Nintendo 64 release of 1080° Snowboarding; the build already reproduces the ROM exactly while overlay segments are decompiled to C.
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Astral Chain
A set of patches and build tooling on top of the SuperMarioWonderRecomp runtime that recompiles the Switch game from the player's own 1.0.0 NSP and keys into an Apple-silicon Mac app. The preview release is a build kit and setup app only; Linux and Windows builds boot in early headless tests.