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Game Gear
RetroBat system gamegear
Games go in roms\gamegear
BIOS None
Tested rows Platforms lists each emulator and whether it passed

Which emulator to use

Leave RetroBat on its default, RetroArch with the Genesis Plus GX core.

Avoid two emulators:

  • jgenesis starts Game Gear games correctly since RetroBat 8.3.0, but RomMBat's saves have not been checked on it yet.
  • RetroArch's FBNeo core does not start games named the way RomM libraries usually name them, because FBNeo expects its own file names.

A few Game Gear cartridges are really Master System games, held as a .sms inside the zip. RetroArch's PicoDrive core plays those in the wrong colors and jgenesis shows a black screen; the other emulators that start them play them correctly.

BIOS

No Game Gear emulator needs a BIOS, and RetroBat lists none. Some cores can show the console's boot screen from bios.gg, which a sync fetches when your library has it.

Saves

A save follows you to another emulator only where the two read the same file (Changing emulator). On the Game Gear, RetroArch's Genesis Plus GX and PicoDrive cores share one save. The rest each keep their own.