Recomp / Games / NES

Super Mario Bros. 3 disassembly

Commented disassembly of the US Super Mario Bros. 3 (PRG1) for NESASM that reassembles to a byte-for-byte copy.

Matching decomp Human-led wip
Stars247
Commits, 30 days0
Latest release—
Last pushMay 1, 2025

GitHub figures as of 2026-10-14, refreshed daily.

Facts

Original
Super Mario Bros. 3 (1988)
Platform
NES
Method
Matching decomp
Provenance
Human-led · Repo created 2017, predates AI coding tools (GitHub) what this means
Status
wip
Licence
none
Team
captainsouthbird
Started
2017-06
Runs on
NES
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 Mario Bros. 3 you own. Recomp never links to ROMs, discs or game data.

This project was decompiled by captainsouthbird. Facts last checked 2026-10-14.

Sources

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