OpenBOR is a game engine, not a console emulator. Because each game can be tied to a specific engine build, creating a single, consistent core is difficult. Standalone Preference:
(Open Beats of Rage) games within RetroArch is not handled by a dedicated native core in the standard library . Instead, it is typically achieved by using the PPSSPP core to run the PSP version of the OpenBOR engine. Libretro Forums 1. Essential Files & Setup retroarch openbor core
This trips everyone up once. Do not just dump your .pak files anywhere. RetroArch OpenBOR Core: The Ultimate Guide to Playing