Mr. Do! (Game Boy)

Mr. Do! (Game Boy) (Game Boy, 1990) has an official source code release, and 1 other public project.

Data checked 2026-10-13 · unbaked registry

Projects

mrdo.asm (Ocean / Special FX source release)

Source release

Original developer assembly source (single mrdo.asm with data/graphics) released by the original author (Joffa) and re-posted by Paul Hughes; documented by Retro Reversing (Apr 2026)

Mr. Do! (for Game Boy)

Source release

Wikipedia: source-available (non-OSI license and/or partial SDK code); source released 2007 by/for Universal Entertainment Corporation. Game Boy version open sourced by developer Wesley Knackers in 2007 on his website.

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What you need

You need your own copy of the game: these projects ship code only.

More on Game Boy

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GBPokémon Red and BlueMatching decompAI-assisted decomp+419967.9k2026-10-13 GBPokémon YellowMatching decompStatic recomp+319988882026-10-13 GBTetrisMatching decompStatic recomp+319895672026-10-06 GBSuper Mario LandStatic recompReimplementation+21989692026-09-27 GBKirby's Dream LandStatic recompDisassembly+11992632026-08-30 GBMega Man: Dr. Wily's RevengeDisassemblyAgent environment1991182026-10-11 GBThe Legend of Zelda: Link's AwakeningStatic recompReimplementation+21993152026-09-21 GBWario Land: Super Mario Land 3Static recompDisassembly1994462026-10-12

Found via retroreversing.com/mrdo, en.wikipedia.org/wiki/List_of_commercial_video_g, pauliehughes.com/downloads/

GitHub data checked 2026-10-13. Notes are summaries from the research pass; the project pages are the authority.