| Titre | Année | Genre |
|---|---|---|
| O Tac-Tic | ???? | Réflexion |
| Obliterator | 1988 | Action |
| Obsidian | 1985 | Action |
| Ocean Conqueror | 1987 | Action |
| Octoplex | 1989 | Arcade |
| Oeil De Set, L' | 1987 | Aventures |
| Off Shore Warrior | 1989 | Course |
| Oh Mummy | 1984 | Arcade |
| Oilmania | 1990 | Arcade |
| Oink! The Game | 1987 | Casse-briques |
| Ole Toro | 1985 | Arcade |
| Olli and Lissa - Ghost of Shilmoore | 1987 | Plate-forme |
| Olli and Lissa 3 - The Candlelight Adventure | 1989 | Plate-forme |
| Olympiad | 1986 | Sports |
| Omega Dimension | 1989 | Action |
| Omega Planete Invisible | 1987 | Aventures |
| Omeyad | 1989 | Aventures |
| On Cue | 1987 | Billard |
| On The Run | 1985 | Action |
| One | 1986 | Arcade |
| One Man and His Droid | 1985 | Arcade |
| Operation Gunship | 1989 | Shoot em up |
| Operation Hanoi | 1990 | Tir |
| Operation Hormuz | 1988 | Combats aériens |
| Operation Nemo | 1987 | Combats aériens |
| Operation Thunderbolt | 1989 | Tir |
| Operation Wolf | 1988 | Tir |
| Oriental Games | 1990 | Baston |
| Ormuz | 1988 | Action |
| Orphee | 1985 | Aventures |
| Othello Master | 1985 | Réflexion |
| Out of this World | 1987 | Shoot em up |
| Out Run | 1986 | Course |
| Out Run Europa | 1991 | Course |
| Outboard | 1990 | Course |
| Outlaw | 1990 | Action |
| Overlander | 1988 | Course |
| Overlord 2 | 1984 | Stratégie |
| Oxphar | 1987 | Aventures |
