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| Screenshot | Title | Author | Publisher | Year | Type | Download | Remake |
|---|---|---|---|---|---|---|---|
| O tac-tic | Board | Yes | |||||
| Oasis (el) / lexa 4 | Alea | 1986 | |||||
| Oberon 69 | G.ll. | 1990 | Yes | ||||
| Objectif 10000 | Credit agricole / l. larbalette | ||||||
| Objectif Europe | Coktel Vision | Education | Yes | ||||
| Obliterator | Melbourne house / psygnosis | 1989 | Arcade | Yes | |||
| Obsidian | Artic computing | 1985 | Arcade | Yes | |||
| Ocean conqueror | Hewson / rack it | 1988 | Simulation | Yes | |||
| Ocean top 10 | Ocean | ||||||
| Ocean top 20 - dixons | Ocean | 1988 | |||||
| OCP Art Studio (the) | Rainbird Software | 1986 | Utility | ||||
| Octan | Firebird | ||||||
| Octoplex | Mastertronic | 1989 | Arcade | Yes | |||
| Odd one out | M. pinder | 1990 | |||||
| Oddjob | Pride utilities | 1985 | Misc | Yes | |||
| Odin | |||||||
| Oeil de set (l') | Ubi soft | 1987 | Adventure text | Yes | |||
| Oeufs de paques | |||||||
| Off shore warrior | Titus | 1989 | Sports | Yes | |||
| Official father christmas game (the) | Alternative software | 1989 | Yes | ||||
| Offiziersskat | |||||||
| Oh mummy! | Gem software | Amsoft | 1984 | Arcade | Yes | ||
| Oil | P. soupault | 1986 | |||||
| Oil dallas | |||||||
| Oil panic | F. romand | 1988 | |||||
| Oil panic | X. d'abrigeon | 1986 | |||||
| Oilmania | Ablaze | 1995 | Misc | Yes | |||
| Oilmania | Assembly line / dreamsoft | 1990 | Misc | Yes | |||
| Oink ! | CRL | 1987 | Arcade | Yes | |||
| Olaf | Yes | ||||||
| Old sam's saloon gamble machine | E.j. klasarek | 1989 | Misc | Yes | |||
| Old scores | Global software | 1986 | |||||
| Ole / raging beast | Vifi / jawx | Firebird | 1985 | Yes | |||
| Ole toro | Dinamic | 1985 | Misc | Yes | |||
| Olli and Lissa - The Ghost of Shilmoore Castle | Codemasters | 1988 | Arcade | Yes | |||
| Olli and lissa 3: candlelight adventure | Codemasters | 1989 | Arcade | Yes | |||
| Ollis crown risiko | |||||||
| Olympe | Free game blot | 1985 | |||||
| Olympiad | Atlantis software | 1986 | Sports | Yes | |||
| Olympic souris | |||||||
| Omega dimension | Positive | 1989 | Arcade | Yes | |||
| Omega planete invisible | Infogrames | 1987 | Adventure graphic | Yes | |||
| Omelette infernale (l') | Lmc software | 1990 | |||||
| Omeyad | Ubi soft | 1989 | Adventure text | Yes | |||
| Oms | |||||||
| On court tennis | Activision | 1986 | |||||
| On cue | Mastertronic | 1987 | Sports | Yes | |||
| On the bench | Yes | ||||||
| On the oche | Artic computing / paxman | 1984 | Yes | ||||
| On the run | Design design / firebird | 1985 | Adventure graphic | Yes | |||
| Once a knight is enough | The phantom | ||||||
| Ondes | |||||||
| One | Epyx / d3m / infogrames | 1986 | Adventure graphic | Yes | |||
| One man and his droid | Mastertronic | 1986 | Arcade | Yes | |||
| One on one | Ariolasoft | 1985 | |||||
| One two | Titus | 1990 | |||||
| Operation gunship | Codemasters | 1989 | Arcade | Yes | |||
| Operation hanoi | Players | 1990 | Arcade | Yes | |||
| Operation hormuz | Again again | 1988 | Arcade | Yes | |||
| Operation nemo | Coktel vision | 1987 | Arcade | Yes | |||
| Operation omega | Jm. bieber | 1986 | |||||
| Operation thunderbolt | Ocean / taito | 1989 | Arcade | Yes | |||
| Operation thunderbolt | Ocean / taito | 1990 | Arcade | Yes | |||
| Operation wolf | Ocean | 1988 | Arcade | Yes | |||
| Opetrous / operations a trous | J. reingot | 1987 | |||||
| Opium | |||||||
| Optix | |||||||
| Or des azteques (l') | Kukulcan software | 1994 | |||||
| Orb quest | Wow software / p&t. stitt | 1991 | |||||
| Orbit-chicane | |||||||
| Ordi puz | G. lavergne | 1987 | |||||
| Ordi-magic | |||||||
| Oriental games | Microstyle / firebird | 1990 | Sports | Yes | |||
| Oriental Hero | 1990 | ||||||
| Orifice from outer space (the) | Plasma touch / r. robinson | Adventure text | Yes | ||||
| Original adventure (the) | |||||||
| Orion | Jasap software / load 'n' run | Arcade | Yes | ||||
| Orion Prime | Arkos & Les sucres en morceaux | 2009 | Adventure graphic | ||||
| Orkon mission (the) | Gac user | 1987 | |||||
| Ormuz | Iber soft | 1988 | Yes | ||||
| Orphee | Loriciels | 1985 | Adventure text | Yes | |||
| Ortho CM | A. MALASSIS | Micro C | 1988 | Education | |||
| Orthographe CM | GUION | Hatier | 1986 | Education | |||
| Orthogus - Tome 1 | Michel Grezels | V.T.A. | 1987 | Education | |||
| Ortwin's run | Northern soft / j.j. schwarze | 1986 | |||||
| Oshidi | Lmc software | 1991 | |||||
| Osprey ! | B.E.S. | Amsoft | 1984 | Education | Yes | ||
| Othello | P. hardy | 1986 | |||||
| Othello / challenger reversi | Cobra soft | 1985 | |||||
| Othello 3d | D. drugmanne | 1985 | |||||
| Othello master | Power soft | 1985 | Board | Yes | |||
| Othellus | H. hubert | 1987 | |||||
| Out of this world | Better tech / ariolasoft | 1987 | Arcade | Yes | |||
| Out Run | Sega | US Gold | 1986 | Arcade | Yes | ||
| Out Run Europa | Sega | US Gold | 1991 | Arcade | Yes | ||
| Outboard | Loriciels | 1990 | Sports | Yes | |||
| Outlaw | Players | 1990 | Arcade | Yes | |||
| Ouvertures (les) | 1988 | ||||||
| Overlander | Elite | 1988 | Arcade | Yes | |||
| Overlord | Lothlorien ? | 1984 | |||||
| Overlord 2 | Amsoft | 1984 | Strategy | Yes | |||
| Ovoides | |||||||
| Owl-phabet | |||||||
| Oxo | Dino / scull pd | 1990 | |||||
| Oxphar | Ere informatique | 1988 | Adventure text | Yes | |||
| Oxyda | S. vallois | 1987 | Arcade | Yes | |||
| Oxygene | |||||||
| Oxysudis | Dds | 1991 |