Do you have ROMs? If not, you have to download them from www.mame.dk

Put zipped ROMs in the MAMEBoy\ROMs folder on your EM-500.

Then try if it works.

Not all roms are supported. For the list of supported ones, just select show all games (what you've already done).

> I've got the em500 and i cant get the games to run. I list all the games and
> when I press the Play button nothing happens. What could be wrong??? Please Help
> MEEEEE
>