Spacebase DF-9

Spacebase DF-9 (PC, 2013) has an official source code release, spacebase-v2-updated-code, and 1 other public project, including code that decompiles almost back to source.

Data checked 2026-10-12 · unbaked registry

Projects

spacebase-v2-updated-code

Source releaseLua (Moai)

Wikipedia: open-source code, proprietary assets; source released 2015 by/for Double Fine. After Double Fine ended the support of the controversy ridden and incomplete game on end of 2014, fans have been working to continue the game's devel…

Spacebase DF-9 (Double Fine; Moai/Lua, Lua source shipped for modding)

Readable bytecodeMoai SDK (C++) + Lua game logic

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 en.wikipedia.org/wiki/List_of_commercial_video_g, doublefine.com/forums/viewthread/15918/#369949, kotaku.com/fans-keep-working-on-cancelled-strate, store.steampowered.com/app/246090/

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