Sinclair - ZX Spectrum +3

Ol

Olympicon (1984)(Mitec) · 1 codes

Om

Omega Dimension (1989)(Positive) · 4 codes

Om

Omega One (1987)(Mastertronic) · 4 codes

Om

Omega Zone, The (1991)(Crash) · 1 codes

Om

Omelettes For Breakfast (2017)(Amore, Gabriele) · 6 codes

Om

Ometron (1983)(Software Projects) · 1 codes

On

On the Run (1985)(Design Design) · 3 codes

On

One for the Road (1986)(Tynesoft) · 2 codes

On

One Man and His Droid (1985)(Mastertronic) · 1 codes

On

One Man and His Droid II (2001)(Brooker, Clive) · 1 codes

Oo

Oops (1988)(Big Apple Entertainment Company, The) · 3 codes

Oo

Ooze (2017)(Bubblesoft) · 10 codes

Op

Operation - Labyrinth Fall (2018)(Bumfun) · 9 codes

Op

Operation Gunship (1989)(Code Masters) · 5 codes

Op

Operation Hanoi (1990)(Players Premier) · 3 codes

Op

Operation Hormuz (1989)(Again Again) · 11 codes

Op

Operation Red Refrigerator (1997)(Galaxy) · 11 codes

Op

Operation Thunderbolt (1989)(Ocean) · 7 codes

Op

Operation Wolf (1988)(Ocean) · 15 codes

Or

Oracle's Cave, The (1984)(Doric Computer Services) · 2 codes

Or

Orbiter (1982)(Silversoft) · 3 codes

Or

Orbix the Terrorball (1986)(Streetwise) · 1 codes

Or

Orc Attack (1984)(Creative Sparks) · 4 codes

Or

Order of Mazes, The (2015)(Dalby, Tom) · 3 codes

Or

Order of Sleeping Dragon, The (2019)(Zapolnova, Evgeniya) · 1 codes

Or

Oriental Games (1990)(Micro Style) · 3 codes

Or

Oriental Hero (1987)(Firebird) · 2 codes

Or

Orion (1983)(Software Projects) · 6 codes

Or

Orion (1993)(Proxima) · 1 codes

Os

Ossuary (2013)(Cyningstan) · 2 codes

Os

Osten (1983)(JC Jumbo Data) · 2 codes

Ou

Out of the Shadows (1984)(Mizar Computing) · 4 codes

Ou

Out of This World (1987)(Reaktor) · 1 codes

Ou

Out Run (1987)(U.S. Gold) · 1 codes

Ou

Out Run Europa - Re-Imagined (2013)(Miazga, Rafal) · 14 codes

Ou

Out Run Europa (1991)(U.S. Gold) · 14 codes

Ou

Outcast (1987)(CRL Group) · 1 codes

Ou

Outland (2014)(ZX-Studio) · 5 codes

Ou

Outlaw (1990)(Players Premier) · 4 codes

Ov

Overkill (1988)(Atlantis) · 1 codes

Ov

Overlander (1988)(Elite Systems) · 29 codes

P-

P-47 Thunderbolt (1990)(Firebird) · 4 codes

P-

P-47 Thunderbolt (Europe) · 0 codes

Pa

Pac-Land - Re-Imagined (2014)(Miazga, Rafal) · 5 codes

Pa

Pac-Land (1989)(Grandslam Entertainments - Quicksilva) · 5 codes

Pa

Pac-Land (Europe) · 0 codes

Pa

Pac-Man (1984)(Atarisoft) · 1 codes

Pa

Pac-Mania (1988)(Grandslam) · 5 codes