Spelunky

Spelunky (PC, 2008) has a source port, yancharkin/SpelunkyClassicHD, and 3 other public projects, including an official source code release. An agent environment already wraps it.

Data checked 2026-10-12 · unbaked registry

Projects

Spelunky Classic HD (modified/ported build from released source)

Source portGameMaker Studio 2 (from Humble bundle source)223 starspushed 2026-08-25custom licenserelease 1.2.2

A modified version of Derek Yu's game Spelunky Classic.

GitHub

SpelunkBots (C++ bot API for original 2009 Spelunky)

Agent environmentC++ DLL API hooked into GameMaker Spelunky Classic33 starspushed 2019-08-22no license

An API that allows for AI bots to be written in the original 2009 version of Spelunky.

GitHub

historicalsource/spelunky

Source releaseGame Maker 8 project (GML)13 starspushed 2020-02-08custom license

Spelunky (2008) by Mossmouth, LLC.

Derek Yu released Spelunky Classic source in 2009 (freeware game, custom license). Spelunky Classic HD community port.

Spelunky Classic GameMaker source (released by Derek Yu, 2009; Humble…

Source releaseGameMaker 8 (.gmk) GML source

Source officially released (non-commercial license)

What you need

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

Agent environments

GET-TUDA-CHOPPA/SpelunkBots

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

Found via SamuelKinnett/Rasmus, yancharkin/SpelunkyClassicHD, spelunkyworld.com/original.html

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