Final Fantasy IX
Final Fantasy IX (PS1, 2000) has an open-source reimplementation, Albeoris/Memoria, and 3 other public projects, including a matching decompilation and a static recompilation.
Data checked 2026-10-12 · unbaked registry
Projects
Final Fantasy IX tools
OSGC status: playable; development: active; game already in catalog; this project is a different project type for it
final-fantasy-ix: source for the standalone setup release candidate
v0.1.1 owned-input build kit (USA, Canada, SLUS-01251 · SLUS-01295 · SLUS-01296 · SLUS-01297 · 4 discs); 1 player configured; Windows/Linux/macOS packages; no gameplay-quality claims by author (bare recomp)
Matching decompilation of Final Fantasy IX (PS1, NTSC-U)
Official 2016 PC port is a Unity/C# (Mono) rebuild of the PS1 game logic; Memoria open-source engine mod patches Assembly-CSharp
What you need
You need your own copy of the game: these projects ship code only.
Same toolchain
More on PS1
Found via opengaming/osgameclones/blob/master/games/m.yaml, alexbeavs-ps1-ports/psxrecomp-ports, alexbeavs-ps1-ports.github.io/psxrecomp-ports/, search?type=repositories&q=%22decompilation+of%2, Albeoris/Memoria
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.