genre: Maze
Night Mare (Spain)
Romname: nightmare
Display type: 216x280 49.94 hz [ raster ] vertical
Manufacturer: E.F.O.
Manufacturer: E.F.O.
[ details ]
Oli-Boo-Chu (USA)
Romname: olibochu
Display type: 240x256 62.50 hz [ raster ] vertical
Manufacturer: Irem (GDI license)
Manufacturer: Irem (GDI license)
[ details ]
Olivmandingo (Spanish bootleg of Mandinga on Galaxian hardware, set 1)
Romname: olmandingo
Display type: 224x768 60.61 hz [ raster ] vertical
Manufacturer: bootleg
Manufacturer: bootleg
[ details ]
Olivmandingo (Spanish bootleg of Mandinga on Galaxian hardware, set 2)
Romname: olmandingc
Display type: 224x768 60.61 hz [ raster ] vertical
Manufacturer: bootleg (Calfesa)
Manufacturer: bootleg (Calfesa)
[ details ]
Opa Opa (MC-8123, 317-0042)
Romname: opaopa
Display type: 256x192 59.92 hz [ raster ] horizontal
Manufacturer: Sega
Manufacturer: Sega
[ details ]
Opa Opa (Rev A, unprotected)
Romname: opaopan
Display type: 256x192 59.92 hz [ raster ] horizontal
Manufacturer: Sega
Manufacturer: Sega
[ details ]
Outline
Romname: outline
Display type: 248x240 50.00 hz [ raster ] vertical
Manufacturer: Century Electronics
Manufacturer: Century Electronics
[ details ]
Pac & Pal
Romname: pacnpal
Display type: 224x288 60.61 hz [ raster ] vertical
Manufacturer: Namco
Manufacturer: Namco
[ details ]