| Game Name | System |
|---|
| Outlaw (1997)(John Swartz) | DOS |
| Outlaw (Bellfruit) (Scorpion 4) (set 1) | MAME |
| Outlaw (Bellfruit) (Scorpion 4) (set 2) | MAME |
| Outlaw (Bellfruit) (Scorpion 4) (set 3) | MAME |
| Outlaw (Bellfruit) (Scorpion 4) (set 4) | MAME |
| Outlaw (E) | C64 Tapes |
| Outlaw (JPM) (IMPACT, Club?) | MAME |
| Outlaw (JPM) (IMPACT, v3) | MAME |
| Outlaw (JPM) (IMPACT, v3) (Protocol) | MAME |
| Outlaw (UK) (1990) | CPC |
| Outlaw (UK) (1990) [t1] | CPC |
| Outlaw - Gunslinger (1978) (Atari, David Crane - Sears) (CX2605 - 6-99822, 49-75109) | 2600 |
| Outlaw Golf | GCN |
| Outlaw Golf (Europe) (En,Fr,De) | GCN |
| Outlaw Golf (Europe) (En,Fr,De) | PS2 |
| Outlaw Golf 2 (Europe) (En,Fr,De,Es,It) | PS2 |
| Outlaw Golf 2 (USA) | PS2 |
| Outlaw Tennis (Europe) (En,Fr,De,Es,It) | PS2 |
| Outlaw Tennis (USA) | PS2 |
| Outlaw Volleyball (Europe, Australia) (En,Fr,De,Es) | PS2 |
| Outlaw Volleyball (USA) | PS2 |
| Outlaw [TTL] | MAME |
| Outlaws (19xx)(-) | ZX Spectrum Z80 |
| Outlaws (E) | C64 Tapes |
| Outlaws of the Lost Dynasty (J) | Saturn |
| Outlet - The Spectrum Drive Magazine! No.78 (1994)(Chezron Software) | ZX Spectrum (TAP) |
| Outline | MAME |
| Outpost (1994)(Sierra Online) | DOS |
| Outpost_Anthony_Ball | Atari 800 |
| Outpost_Tim_Parker | Atari 800 |
| Outris | Atari 800 |
| Outrun (1986)(US Gold)(128k) | ZX Spectrum Z80 |
| Outrun (1987)(Sega Entertainment Inc) | DOS |
| Outrun (1987)(US Gold) | ZX Spectrum (TAP) |
| Outrun (1987)(US Gold)[a] | ZX Spectrum (TAP) |
| Outrun (1988)(Sega Entertainment Inc) | DOS |
| Outrun (1988)(U.S. Gold)[b] | Atari ST |
| Outrun Ega (1987)(Sega Entertainment Inc) | DOS |
| Outrun Europa (1991)(US Gold) | ZX Spectrum (TAP) |
| Outtrigger (Europe)(En,Fr,De,Es) | DC |
| Outtrigger (Japan) | DC |
| Outtrigger (USA) | DC |
| Outzone | Amiga |
| Outzone (1991)(Lankhor)[cr Elite][t] | Atari ST |
| Outzone (1991)(Lankhor)[cr Elite][t][a] | Atari ST |
| Outzone (1991)(Lankhor)[cr Replicants - ST Amigos][t] | Atari ST |
| Ovation 1 (GR) (1996) (PD) | CPC |
| Ovation 2 (GR) (1996) (PD) | CPC |
| Ovation 3 (GR) (1997) (PD) (Disk 1 of 4) | CPC |
| Ovation 3 (GR) (1997) (PD) (Disk 2 of 4) | CPC |
| Ovation 3 (GR) (1997) (PD) (Disk 3 of 4) | CPC |
| Ovation 3 (GR) (1997) (PD) (Disk 4 of 4) | CPC |
| Ovation 4 (GR) (1997) (PD) (Disk 1 of 4) | CPC |
| Ovation 4 (GR) (1997) (PD) (Disk 2 of 4) | CPC |
| Ovation 4 (GR) (1997) (PD) (Disk 3 of 4) | CPC |
| Ovation 4 (GR) (1997) (PD) (Disk 4 of 4) | CPC |
| Ovation 5 (GR) (1999) (PD) (Disk 1 of 4) | CPC |
| Ovation 5 (GR) (1999) (PD) (Disk 2 of 4) | CPC |
| Ovation 5 (GR) (1999) (PD) (Disk 3 of 4) | CPC |
| Ovation 5 (GR) (1999) (PD) (Disk 4 of 4) | CPC |
| Over Drive (set 1) | MAME |
| Over Drive (set 2) | MAME |
| Over Drive (set 3) | MAME |
| Over Drivin' - Skyline Memorial (J) | PSX |
| Over Drivin' DX (J) | PSX |
| Over Drivin' II (J) | PSX |
| Over Drivin' III - Hot Pursuit (J) | PSX |
| Over Drivin' IV (J) | PSX |
| Over Horizon (Europe) | NES |
| Over Horizon (Japan) | NES |
| Over Moon Pt3 (Bwb) (MPU4 Video) | MAME |
| Over Rev (Model 2B, Revision B) | MAME |
| Over Rev (Model 2C, Revision A) | MAME |
| Over Run (19xx)(Datawiz)[cr](Disk 1 of 2) | Apple2 |
| Over Run (19xx)(Datawiz)[cr](Disk 2 of 2) | Apple2 |
| Over The Hedge | GCN |
| Over The Hedge (E)(Wet 'N' Wild) | NDS |
| Over The Moon (Barcrest) (MPU4) (OT8 0.1 B) | MAME |
| Over The Moon (Barcrest) (MPU4) (OT8 0.1 C) | MAME |
| Over The Moon (Barcrest) (MPU4) (OT8 0.1 K) | MAME |
| Over The Moon (Barcrest) (MPU4) (OT8 0.1 KD) | MAME |
| Over The Moon (Barcrest) (MPU4) (OT8 0.1 Y) | MAME |
| Over The Moon (Barcrest) (MPU4) (OT8 0.1 YD) | MAME |
| Over The Moon (Barcrest) (MPU4) (OT8 0.1) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTN 0.5 B) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTN 0.5 C) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTN 0.5 D) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTN 0.5 K) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTN 0.5 Y) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTN 0.5 YD) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTN 0.5) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 AD) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 B) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 BD) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 D) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 K) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 KD) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 R) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 RD) | MAME |
| Over The Moon (Barcrest) (MPU4) (OTT 0.2 Y) | MAME |
