Gravitar

Gravitar (Arcade, 1982) has an official source code release, historicalsource/gravitar, and 2 other public projects, including an AI-assisted decompilation and a source port. An agent environment already wraps it.

Data checked 2026-10-12 · unbaked registry

Projects

historicalsource/gravitar

Source releaseoriginal assembler sources (period toolchains: Atari PDP-11 MAC65/coi…10 starspushed 2021-10-15no license

A game of caverns and getting into them

Original developer source listings archived by historicalsource (2021 Williams/Midway/Atari coin-op drops); no license, copyright owners' code. Raw listings; may need period assembler to rebuild.

jotd666/gravitar

Source portZ80/6502/6809 -> 68000 assembly transcode (amiga68ktools)2 starspushed 2026-09-23no license

Port of Gravitar for amiga

Amiga port via transcode

Gravitar-Full-Disassembly-and-C-Portnew, unvetted

AI-assisted decompC (1:1 port) + assembler listing; Windows build (OpenGL)0 starspushed 2026-09-14GPL-2.0 license

Gravitar (Atari, 1982): full disassembly with Atari's original names, byte-exact against Atari's own link image, and a 1:1 C port with two real POKEYs - no emulation at runtime

Complete playable 1:1 C port + byte-exact disassembly (Sep-Oct 2026)

What you need

Check each project for what game data it needs. Code here is linked, never game files.

Agent environments

MAMEToolkit (M-J-Murray/MAMEToolkit) can wrap any MAME game
ALE (Farama-Foundation/Arcade-Learning-Environment) (2600 Gravitar)

More on Arcade

GameMethodYearStarsLast push

ARCStreet Fighter II: Champion EditionAgent environment19926.5k2025-04-13 ARCPac-ManSource releaseMatching decomp+519801.6k2026-10-10 ARCOut RunSource releaseReimplementation+219868802026-10-11 ARCDefenderSource releaseStatic recomp+219816432026-07-20 ARCSpace InvadersReimplementationDisassembly19787982026-05-28 ARCOmega RaceSource releaseAI-assisted decomp+119815142026-09-17 ARCWizard of WorSource releaseReimplementation+119805142026-09-20 ARCOutRunReimplementation19868802023-12-26

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