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4,570 games · 9,088 projectsupdated 2026-10-12

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NESNES · 1986 · action-adventure

The Legend of Zelda

The Legend of Zelda (NES, 1986) has an open-source reimplementation, ZQuestClassic/ZQuestClassic, and 8 other public projects, including a matching decompilation and a static recompilation. An agent environment already wraps it.

nesrecomp ca65 / cc65

Projects

ReimplementationAllegro557 starspushed 2026-10-12GPL-3.0 licenserelease 2.55.17

ZQuest Classic is a game engine for creating games similar to the original NES Zelda

development active; status playable; A game and editing tool that lets you create custom Legend of Zelda quests - forked from Zelda Classic

Disassemblyca65275 starspushed 2021-02-20no license

A complete disassembly of The Legend of Zelda

complete disassembly, builds ROM checked against clean dump; symbols used by LegendOfZeldaNESRecomp ()

DisassemblyCC65 + GNU make77 starspushed 2016-04-14no license

Disassembly of Legend of Zelda

WIP disassembly ()

Static recompnesrecomp (R.A.I.D.)27 starspushed 2026-10-07custom licenserelease v1.9.1

The Legend of Zelda recompiled for the NES using nesrecomp · Part of the R.A.I.D. community

recompiled using nesrecomp

Agent environmentPython, nes-py26 starspushed 2026-05-18custom licenserelease 0.3.0

An OpenAI Gym interface to The Legend of Zelda on the NES.

available (2026-05) ()

ReimplementationC++ (Allegro), C# extraction tools21 starspushed 2021-03-17Apache-2.0 license

A remake of The Legend of Zelda

remake by the author of zelda1-disassembly, logic based on disassembly; enhanced fork aldonunez/Loz_enhanced ()

ReimplementationAllegro5 starspushed 2024-11-14GPL-3.0 license

Zelda Classic is a 2D game engine and editor for creating custom Legend of Zelda games.

development sporadic; status playable; Zelda Classic is a game and editing tool that lets you create custom Legend of Zelda quests.

zelda1-webnew, unvetted
Matching decompca65/ld65 reassembly of the aldonunez 6502 disassembly, played in the…0 starspushed 2026-10-06no license

The Legend of Zelda (NES): byte-exact PRG0 reassembly from the aldonunez disassembly, plus a bring-your-own-ROM browser port. Ships no game assets.

andrewnakas/decompgames browser build: ca65/ld65 reassembly of the aldonunez 6502 disassembly, played in the browser on EmulatorJS 4.2.3 with the libretro fceumm core; verification: {"status": "byte-exact", "date": "2026-10-05", "browsers"…

DisassemblyBZK 6502 Disassembler scripts + asm6/ca65-style build (assemble.bat /…292 starspushed 2026-08-12no license

Source code of some NES games

complete: 'Each source code is equal to the original ROM, compilable and editable' ()

What you need

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

Agent environments

Same toolchain

More on NES

Found via osgameclones.com/, aldonunez/zelda1-disasm-labels, Kautenja/gym-zelda-1, datacrystal.tcrf.net/wiki/The_Legend_of_Zelda/RA, aldonunez/zelda1-disassembly

GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.