unknown MPU4 'Joker' (MPU4?) (set 4) ROM download is available below and exclusive to CoolROM.com. Download unknown MPU4 'Joker' (MPU4?) (set 4) ROM to your computer and play it with a compatible emulator. You can also play this game on your mobile device. If you enjoy this free ROM on CoolROM.com, then you may also like other MAME titles listed below.