Nidhogg
Nidhogg (PC, 2014) has code that decompiles almost back to source, and 1 other public project.
Data checked 2026-10-12 · unbaked registry
Projects
Nidhogg (GameMaker data.win; UndertaleModTool)
Readable bytecodeGameMaker; UTMT decompiles VM builds (YYC native builds need hooking)
PortMaster port 'nidhogg'
Readable bytecodeGameMaker (data.win) run on ARM Linux via gmloader/gmloader-next (And…
Commercial/indie or freeware GameMaker game packaged in PortMaster (main) as nidhogg, updated 2026-05-14; needs user game files
What you need
You need your own copy of the game: these projects ship code only.
Same toolchain
GameMethodYearStarsLast push
DOSDoomSource releaseMatching decomp+8199320k2026-10-12DOSCommand & ConquerSource releaseReimplementation+2199518k2026-10-12WEB2048Source releaseReimplementation+1201413k2026-08-19PC2048 PlusReadable bytecode13k2024-10-24PCMinecraft: Java EditionReimplementationSource port+220117.6k2026-10-11PCBattle for WesnothSource release20056.9k2026-10-12DOSQuakeSource releaseMatching decomp+419966.1k2026-10-12PCThe Elder Scrolls III: MorrowindReimplementation20026.6k2026-10-12More on PC
GameMethodYearStarsLast push
PCMindustrySource releaseAgent environment201929k2026-10-11PCosu!Source releaseReadable bytecode+1200719k2026-10-12PCCommand & Conquer Remastered CollectionSource release202021k2025-01-16PCRollerCoaster Tycoon 2ReimplementationAgent environment200216k2026-10-12PCDune 2000Reimplementation199818k2026-10-11PCAge of Empires IIReimplementation199914k2026-10-03PCCataclysm: Dark Days AheadSource release201313k2026-10-12PCCivilization VSource releaseReimplementation201011k2026-10-12Found via UnderminersTeam/UndertaleModTool, en.wikipedia.org/wiki/GameMaker, PortsMaster/PortMaster-New/tree/main/ports/nidho, PortsMaster/PortMaster-Info/blob/main/ports.json
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.