Magic: The Gathering

Magic: The Gathering (PC, 1993) has an open-source reimplementation, Card-Forge/forge, and 4 other public projects, including a matching decompilation and a decompilation. An agent environment already wraps it.

Data checked 2026-10-12 · unbaked registry

Ghidra

Projects

Forge (open-source MTG rules engine with AI)

ReimplementationJava2,802 starspushed 2026-10-12GPL-3.0 licenserelease forge-2.0.15

An unofficial rules engine for the world's greatest card game.

GitHub

XMage (Magic Another Game Engine)

ReimplementationJava (client/server)2,375 starspushed 2026-10-11MIT licenserelease xmage_1.4.62V1

XMage - Magic Another Game Engine

GitHub

microprose-shandalar-source

DecompGhidra, SDL213 starspushed 2026-09-01no license

A decompilation of the original Microprose Magic the Gathering game aka Shandalar

A decompilation of the original Microprose Magic the Gathering game aka Shandalar; no GitHub releases; repo created 2026-08-26

shandalar-decomp

Matching decompVisual C++ (period MSVC)8 starspushed 2026-10-04no license

README reports ~98.23%; no GitHub releases; repo created 2026-09-16

arcana (Rust MTG engine for RL)

ReimplementationRust2 starspushed 2026-10-12MIT license

A high-performance Magic: The Gathering rules engine in Rust, designed as a substrate for reinforcement-learning research.

New (2026-10)

What you need

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

Agent environments

levineuwirth/arcana

Same toolchain

GameMethodYearStarsLast push

PCDiablo IISource releaseMatching decomp+2200011k2026-10-12 PCMinecraft: Java EditionReimplementationSource port+220117.6k2026-10-11 PC3D Pinball for Windows: Space CadetMatching decompDecomp+219954.7k2026-08-15 PCCounter-StrikeDecompAI-assisted decomp+520002.8k2026-10-12 MOBPlants vs. Zombies 2ReimplementationSource port+220131.7k2026-10-10 GCAnimal CrossingMatching decompStatic recomp+120021.5k2026-10-10 PCCommand & Conquer: Red Alert 2Source releaseDecomp+320001.1k2026-10-12 3DSThe Legend of Zelda: Majora's Mask 3DDecompStatic recomp20158052026-09-29

More on PC

GameMethodYearStarsLast push

PCMindustrySource releaseAgent environment201929k2026-10-11 PCosu!Source releaseReadable bytecode+1200719k2026-10-12 PCCommand & Conquer Remastered CollectionSource release202021k2025-01-16 PCRollerCoaster Tycoon 2ReimplementationAgent environment200216k2026-10-12 PCDune 2000Reimplementation199818k2026-10-11 PCAge of Empires IIReimplementation199914k2026-10-03 PCCataclysm: Dark Days AheadSource release201313k2026-10-12 PCCivilization VSource releaseReimplementation201011k2026-10-12

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