O Pong
©1986 Freeware
Uncategorised

Obitus
©1991 Psygnosis
Uncategorised

Obliterator
©1989 Psygnosis Limited
Action

Ocean Ranger
©1989 Activision Publishing, Inc.
Simulation

Ocean Trader
©1995 Software 2000
Uncategorised

Off Road
©1988 Montsoft
Action Racing - Driving

Off Shore Warrior
©1988 Titus Interactive S.A.
Action Sports

Offroad
©1989 Montsoft
Action

Ogre
©1986 ORIGIN Systems, Inc.
Strategy

Oh No More Lemmings
©1991 Psygnosis
Uncategorised

Oh No More Lemmings Data Disk
©1991 Psygnosis
Uncategorised

Oil Cap Pro
©1996 Unknown
Action

Oil Imperium
©1989 reLINE Software
Simulation

Oil Tycoon
©1988 Rocky Mountain Software
Strategy Simulation

Oils Well
©1984 Sierra On-Line Inc.
Action

Oils Well
©1984 Sierra On-Line Inc
Action

Oilwell
©1986 MTK Software
Strategy

Okigoli
©19xx Anonymous
Adventure Interactive Fiction

Okolopoly
©1989 SBU
Strategy

Old Gold Russian
©1997 Gelios
Uncategorised

Oligopoly
©1987 XOR Corporation
Simulation Strategy

Oliver & Company
©1989 Coktel Vision
Action

Oliver And Company
©1989 Coktel Vision
Uncategorised

Omega
©1989 ORIGIN Systems, Inc.
Strategy

Omega Complex
©1989 Origin Systems Inc
Uncategorised

Omnicron Conspiracy
©1989 Epyx, Inc.
Adventure

Omok for Windows
©1992 Unknown
Action

On The Ball
©1993 Ascaron
Uncategorised

Once and Future
©2001 G. Kevin Wilson
Adventure Interactive Fiction

One Must Fall
©1992 Rob Elam
Uncategorised

One Must Fall 2097
©1994 Diversions Entertainment
Uncategorised

One Must Fall 2097
©1994 Epic Megagames Inc
Uncategorised

One Must Fall 2097 Original Install
©1994 Diversions Entertainment
Uncategorised

One Step Beyond
©1993 Ocean
Uncategorised

One-Sale Manager
©19xx Anonymous
Simulation

Oo Topos
©1986 Polarware Penguin Software Inc
Uncategorised

Oo-Topos
©1987 Polarware - Penguin Software, Inc.
Adventure Interactive Fiction

Ooze- Creepy Nites
©1989 Dragonware Games
Adventure

Oozes
©2006 Regis Locas
Action

Operacion Cyber
©1989 Ediciones Manali, S.A.
Action

Operation Body Count
©1994 Capstone Software
Uncategorised

Operation Body Count
©1994 Capstone
Uncategorised

Operation Body Count
©1994 Capstone Software
Uncategorised

Operation Carnage
©1992 Beaucomm Interactive
Uncategorised

Operation- Clean Streets
©1988 Broderbund Software, Inc.
Action