If you click a game, the screen goes black, and you are immediately returned to your game list, you are experiencing a .

MAME (Multiple Arcade Machine Emulator) updates its software constantly. With every new version of MAME, the developers change how the emulator reads arcade board hardware to improve accuracy. When the emulator code changes, the ROM files must change too.

Using clrmamepro and romvault , we found that 67% of “complete” 0.78 sets circulating on peer-to-peer networks had at least 30 missing or mismatched ROMs, most commonly:

Place your .zip game files into the designated arcade or MAME directory of your system.

Are you looking to run specific (e.g., CHD laserdisc games, vertical shooters)?