Spelunky 2

Spelunky 2 (PC, 2020) has no public decompilation, recompilation or source release yet; it is listed as a candidate for agent-driven reverse engineering.

Data checked 2026-10-12 · unbaked registry

Projects

Overlunky / Playlunky (DLL injection with full Lua scripting API)

RE candidateNative C++ game; Overlunky reverse-engineered entity structs and expo…98 starspushed 2026-09-16MIT licenserelease whip

An overlay for Spelunky 2 to help you with modding, exploring the depths of the game and practicing with tools like spawning arbitrary items, warping to levels and teleporting.

GitHub

spelunky-2-ai-visualizer (Overlunky-based overlay of entity AI state)

RE candidateOverlunky Lua mod0 starspushed 2025-08-16MIT license

A Spelunky 2 mod that adds an overlay showing entity AI ranges and targetting information.

GitHub

What you need

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

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 spelunky-fyi/Playlunky, spelunky-fyi/modlunky2, store.steampowered.com/app/418530/

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