| 2020-05-08 | Pac-boy | Ros Soft / Micromag | 1989 |
| 2021-04-22 | Pac-ball 2 | CPCinfos | 1991 |
| 2014-12-05 | Pac Man (Frederic Carbonero) | AM-Mag | 1988 |
| 2021-06-28 | Pac Man | Computronic | 198x |
| 2023-03-27 | Pac Girl 1 | CPCinfos | 1992 |
| 2022-05-16 | P4: Return to Ganymede | | 2022 |
| 2025-02-01 | P47 Freedom Fighter P-47: Thunderbolt | Firebird | 1989 |
| 2013-05-03 | P*man Goes Planting | Amstrad Computer User | 1985 |
| 2021-04-22 | Oxysudis | CPCinfos | 1990 |
| 2013-07-22 | Oxyda O.x.y.d.a | CPC Revue | 1987 |
| 2020-11-21 | OVNI Samurai (30th @ CPCRetroDev 2020) | Real Bacon Studio | 2020 |
| 2014-08-02 | Overlander | Elite | 1988 |
| 2018-11-13 | Overheap (24th @ CPCRetroDev 2018) | BastaCPC | 2018 |
| 2013-08-14 | Overdrive | Your Computer | 1985 |
| 2022-12-22 | Outlaws (1st @ CPCRetroDev 2016) Outlaws Reloaded | Retro Bytes Productions | 2016/2017 |
| 2018-11-24 | Outlaw | Players | 1990 |
| 2025-07-21 | Out Run Europa OutRun Europa | Usgold | 1991 |
| 2016-03-10 | Out of this World (Andrew Richards) | Boxsoft | 1987/2016/ |
| 2025-09-16 | Out of this World | Reaktor / Ariolasoft | 1987 |
| 2021-06-11 | Otti's Super Sound | Homecomputer | 1985 |
| 2024-08-17 | Osotos | | 2024 |
| 2025-02-23 | Oscar in a Jam | Argus Press | 1985/1986 |
| 2023-09-18 | Orion | Audimicro | 19xx |
| 2014-12-11 | Orc's Dungeon (2ND @ CPCRETRODEV 2014) | Fracture Games | 2014 |
| 2021-06-27 | Orbit Chicane | Computronic | 1987 |
| 2023-09-10 | OPQA vs. QAOP: The Final Battle (5th CPCRetroDev 2018) | | 2018 |
| 2023-02-12 | Operation Wolf (version Magnum Lightphaser) | Ocean | 1988 |
| 2014-12-23 | Operation Wolf: Plusedition | Ocean | 20xx |
| 2023-02-12 | Operation Wolf | Ocean | 1988 |
| 2025-07-21 | Operation Thunderbolt (GX4000) | Ocean | 1990 |
| 2025-07-21 | Operation Thunderbolt | Ocean | 1989 |
| 2024-05-19 | Operation Sertun | Amstrad Semanal | 1987 |
| 2019-01-08 | Operation Program Cleaner | | 1991 |
| 2018-08-25 | Operation Omega | CPC Revue / Bib Computer | 1985/1987 |
| 2016-05-19 | Operation Nemo | Coktel Vision | 1987 |
| 2012-08-25 | Operation Hormuz | Again Again | 1989 |
| 2024-03-30 | Operation Hanoi | Players | 1990 |
| 2018-10-15 | Operation Gunship | Codemasters | 1989 |
| 2020-09-18 | Operation Desert Storm | | 1995 |
| 2023-07-09 | Operation Alexandra (1st CPCRetroDev 2018) | 4Mhz | 2018 |
| 2023-11-02 | One Wonder (CPCRetroDev 2023) | | 2023 |
| 2025-03-22 | One Man and His Droid | Mastertronic | 1985 |
| 2021-08-06 | Omeganea | Compute Mit | 1986/1987 |
| 2025-03-17 | Omega Dimension Dimension Omega | Positive | 1989 |
| 2025-02-25 | Olli And Lissa: The Ghost of Shilmoore Castle | Firebird | 1987 |
| 2014-07-18 | Olli And Lissa 3: The Candlelight Adventure | Codemasters | 1989 |
| 2024-07-06 | Oink! | CRL / Alternative | 1987 |
| 2022-04-01 | Oil Panic (Amstrad Magazine) | Amstrad Magazine | 1985 |
| 2012-08-25 | Oil Panic (CPC Revue) | CPC Revue | 1988 |
| 2021-04-11 | Oil Panic | Crazy Piri | 2021 |
| 2020-05-11 | Oil | Amstrad Magazine | 1987 |
| 2020-06-15 | OIK | Computer Partner | 1988/1989 |
| 2022-10-30 | OH NO, My Moustache! | Strawberry Studio | 2022 |
| 2025-03-14 | Oh Mummy Oh Momies! Schatz der Pharaonen | Amsoft | 1984 |
| 2025-11-06 | Oh Mummy Resurrected | | 1984/2025 |
| 2024-03-19 | Oh Chute! | Team Giraffe | 2024 |
| 2021-12-19 | Off Shore Warrior | Titus | 1989 |
| 2023-09-14 | Octopus GX4000 | CPC-POWER / Team Galaxy | 2023 |
| 2023-09-14 | Octopus Deluxe | CPC-POWER / Team Galaxy | 2023 |
| 2023-11-30 | Octopus 21 | GGP Amstrad | 2023 |
| 2023-09-14 | Octopus | GGP Amstrad | 2021 |
| 2018-10-06 | Octoplex | Mastertronic | 1989 |
| 2015-05-28 | Oceano | | 2015 |
| 2021-09-09 | Obstacle (Amstrad Games Book) | Beam Software / Melbourne House | 1985 |
| 2024-06-12 | Obsidian L'hepiss | Artic Computing | 1985 |
| 2018-10-12 | Obliterator | Melbourne House / Psygnosis | 1989 |
| 2015-10-05 | Objectif 10000 | Credit Agricole | 198x |
| 2017-04-03 | Oberon 69 | Diabolic / G.LL Software | 1990 |
| 2024-04-16 | Obbiettivo Visitors | Bear Soft / Soft Bee | 1985 |
| 2015-11-02 | NWO (27th @ CPCRetroDev 2015) | Gamestorming | 2015 |
| 2023-04-02 | Numerus | Loriciels | 1985 |
| 2023-12-12 | Number Shooter (Amstrad Action) | Amstrad Action | 1993 |
| 2023-12-11 | Number Scoffer (Amstrad Action) | Amstrad Action | 1992/1993 |
| 2015-12-31 | Number 1 | Ocean / Bug-byte Software / Amstrad Action | 1985 |
| 2023-11-05 | Nuke Bug (CPCRetroDev 2023) | Alakran Studio | 2023 |
| 2022-12-01 | Nucleo Energetico | G.T.S. Editorial | /1985/1986/ |
| 2018-05-22 | Nuclear Heist | Players | 1986 |
| 2024-08-05 | Nova Race | Chunky Panda | 2022 |
| 2022-08-17 | Noughts And Crosses (Disk 50) | Cascade Games | 1986 |
| 2023-12-03 | Noughts and Crosses | Amstrad Computer User | 1992 |
| 2023-04-03 | North Star | Gremlin Graphics | 1988 |
| 2018-06-24 | North and South Nord et Sud: les Tuniques Bleues Norte y Sur | Infogrames | 1991/1990 |
| 2018-10-04 | Normal Kombat | | 1994 |
| 2025-03-22 | Nonterraqueous | Mastertronic | 1985 |
| 2014-07-25 | Nonamed | Dinamic | 1986 |
| 2021-08-03 | Nom Wars | | 2022 |
| 2019-03-12 | Nogalious | Luegolu3go Studios | 2019 |
| 2026-03-31 | Nodes Of Yesod | Odin Computer Graphics / Firebird | 1986 |
| 2014-05-20 | Nocturno | G.E.A.S.A | 198x |
| 2025-12-17 | No Exit | Tomahawk | 1990 |
| 2012-08-25 | Nitro | | 1992 |
| 2025-06-08 | Nita (CPCRetroDev 2023) | Hathus Entertainmen | 2023/2024 |
| 2017-10-09 | Ninjajar: the lost levels | Mojon Twins / Monument Microgames | 2017 |
| 2025-01-13 | Ninja Spirit | Activision | 1990 |
| 2025-04-18 | Ninja Scooter Simulator | Silverbird | 1988 |
| 2023-12-09 | Ninja Massacre | Codemasters | 1989 |
| 2017-03-24 | Ninja Hamster | CRL | 1987 |
| 2017-06-15 | Ninja Grannies | | 1989 |
| 2014-05-14 | Ninja Commando | Zeppelin Games | 1988 |
| 2020-05-09 | Ninja (Black System) | Black System / Micromag | 1990 |