In a traditional Merged set, a game like Street Fighter II sits inside a ZIP file named sf2.zip . This file contains the parent ROM, the child ROMs, and sometimes the BIOS.

Enjoy your games, preserve the history, and may your CPS2 graphics never glitch.

is a community-driven fork of that core. It takes the stability of 0.78 and back-ports newer game drivers, bug fixes, and controller mapping features.