games starting with o, page 1
O2
| Name | o2 |
| Mfr | Silicon Graphics Inc. |
| Year | 1996 |
| Genre | N/A |
| Players | N/A |
| Status | preliminary |
| DLs | 0 |
Oak Solutions 16 bit SCSI Interface
| Name | arc_scsi_oak |
| Mfr | ? |
| Year | ???? |
| Genre | N/A |
| Players | N/A |
| Status | ???? |
| DLs | 0 |
OB68K1A Single Board Computer
Oba-Oba (old hardware)
| Name | obaobao |
| Mfr | Taito do Brasil |
| Year | 1980 |
| Genre | N/A |
| Players | N/A |
| Status | preliminary |
| DLs | 0 |
Oba-Oba (set 1)
| Name | obaoba |
| Mfr | Taito do Brasil |
| Year | 1980 |
| Genre | N/A |
| Players | N/A |
| Status | preliminary |
| DLs | 0 |
Oba-Oba (set 2)
| Name | obaoba1 |
| Mfr | Taito do Brasil |
| Year | 1980 |
| Genre | N/A |
| Players | N/A |
| Status | preliminary |
| DLs | 0 |
Ocean Paradise (V101US)
| Name | oceanpar101us |
| Mfr | IGS |
| Year | 1999 |
| Genre | N/A |
| Players | 1 |
| Status | imperfect |
| DLs | 0 |
Ocean to Ocean (Medal) (DECO Cassette MD) (No.10/Ver.1,Japan)
| Name | cocean1a |
| Mfr | Data East Corporation |
| Year | 1981 |
| Genre | N/A |
| Players | 1 |
| Status | good |
| DLs | 0 |
Ocean to Ocean (Medal) (DECO Cassette MD) (No.10/Ver.6,US)
| Name | cocean6b |
| Mfr | Data East Corporation |
| Year | 1981 |
| Genre | N/A |
| Players | 1 |
| Status | good |
| DLs | 0 |
Octane (Version 6.5 Rev 4.9 05/22/03)
| Name | octane |
| Mfr | Silicon Graphics Inc |
| Year | 1997 |
| Genre | N/A |
| Players | N/A |
| Status | preliminary |
| DLs | 0 |
Octopus (Nova) (German) (MPU4) (OCT 0.3)
Odds On (Barcrest) (MPU3)
Odeon Twister (v1.4)
| Name | odeontw |
| Mfr | CD Express |
| Year | 1998 |
| Genre | Compilation |
| Players | N/A |
| Status | preliminary |
| DLs | 2 |
Odeon Twister 2 (v202.19)
| Name | odeontw2 |
| Mfr | CD Express |
| Year | 1998 |
| Genre | Mature |
| Players | N/A |
| Status | preliminary |
| DLs | 0 |
Odyssey
| Name | odyssey |
| Mfr | Silicon Gaming |
| Year | 1998 |
| Genre | N/A |
| Players | N/A |
| Status | preliminary |
| DLs | 0 |
