Kanon
Kanon (PC, 1999) has an open-source reimplementation, weimingtom/xkanon_fork, and 2 other public projects, including code that decompiles almost back to source.
Data checked 2026-10-12 · unbaked registry
Projects
My fork of xkanon
OSGC status: semi-playable; development: halted; An engine that runs Kanon on the X Window System, also supports Air, sense off, and partially supports Ribbon2, PureHeart, Lemon; game already in catalog; this project is a different project…
Listed on Wikipedia. No details or repo found.
Commercial/indie or freeware rlvm game packaged in PortMaster (main) as kanon, updated 2026-04-28; needs user game files
What you need
You need your own copy of the game: these projects ship code only.
Same toolchain
More on PC
Found via opengaming/osgameclones/blob/master/games/x.yaml, en.wikipedia.org/wiki/List_of_game_engine_recrea, PortsMaster/PortMaster-New/tree/main/ports/kanon, 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.