COSOM Game preservation

ORIGINAL GAME PLAYER

Credits & source

The original game and the software used to run it are separate works. Original Secret of Mana content belongs to its respective creators.

EmulatorJS 4.2.3

EmulatorJS provides the browser player, keyboard/controller mapping, touch controls, save management and its toolbar. Its runtime files are locally hosted, unmodified copies from the earlier preservation setup.

GNU GPL v3 license · Upstream source tag · Download source archive

Snes9x & RetroArch

The Snes9x core executes the original SNES cartridge. The bundled core report records a build on 14 June 2025. RetroArch supplies the libretro host integration. These components are distributed under their own licenses and without warranty.

Snes9x license · RetroArch license · Snes9x source · EmulatorJS RetroArch source & build scripts · Upstream build instructions

Exact core-source revision and binary reproducibility are not recorded by that upstream build report. The preservation manifest retains exact local binary hashes and this limit.

Preservation work

The original-game player is browser emulation. The separate native Java → HTML5 work is build0.16.0 and remains unfinished. This site does not describe an emulated campaign as the completed Java recreation.

Runtime & game hashes · Java coverage notes · Open the Java build