Operation Combat 2
©1993 Merit Software
Uncategorised

Operation Europe Path To Victory 1939 To 45
©1993 Koei Co Ltd
Uncategorised

Operation Hormuz
©1989 Avantage Software
Action Simulation

Operation Inner Space
©1996 Unknown
Action

Operation Jupiter
©1988 Infogrames Europe SA
Action Simulation

Operation Market Garden- Drive on Arnhem, September 1944
©1985 Strategic Simulations, Inc.
Simulation Strategy War

Operation Neptune
©1989 Infogrames Europe SA
Action Strategy

Operation Overlord
©1994 Rowan Software
Uncategorised

Operation Overlord Original Install
©1994 Virgin Interactive
Uncategorised

Operation Overlord Svga
©1994 Virgin Interactive
Uncategorised

Operation Wolf
©1989 Taito Corporation
Action

Orbital Defender
©1985 Emerald Valley Publishing Co.
Action

Orbital Observatory Adventure, The
©1988 Bad Software Company
Adventure Interactive Fiction

Orbiter
©1986 Spectrum HoloByte, Inc.
Educational Simulation

Orbits
©1992 Winter Tech
Uncategorised

Orcrist
©1987 Greg Hjelstrom
Action Adventure

Oregon Trail
©1990 Mecc
Uncategorised

Oregon Trail, The
©1988 MECC
Adventure Educational RPG Simulation Strategy

Orel Hershiser's Strike Zone Baseball
©1989 Melbourne House
Sports

Origamo
©1994 Destiny Software Productions
Uncategorised

Original Adventure, The
©1982 Software Toolworks, Inc., The
Adventure Interactive Fiction

Original Buck Mann's Poker for One, The
©1983 International PC Owners
Strategy Cards

Orion Conspiracy
©1995 Domark
Uncategorised

Orion Project
©1994 Joel Strawn
Uncategorised

Ormuz
©1988 Genesis Soft
Strategy Action

Orphee- Voyage Aux Enfers
©1987 Loriciels
Adventure Interactive Fiction

Osbit
©1988 STD Research
Action

Oscar
©1993 Flair Software
Uncategorised

Osmosis Solitaire
©1988 Raymond M. Buti
Strategy

Othello
©1983 Bennett Todd
Strategy

Otra
©1989 Microlink
Strategy

Oubliette
©1983 Human Engineered Software
Adventure RPG

Ouija
©1993 Unknown
Puzzle

Ouija for Windows
©1996 Unknown
Action

Out 'M Up
©2000 PPPTeam
Action

Out 'M Up (Final)
©2000 PPPTeam
Action

Out Of This World
©1991 Interplay
Uncategorised

Out on a LEM
©1984 Jeff Bretz, John Clark Craig
Action

Outer Ridge
©1995 John Mccarthy
Uncategorised

OutFox
©1989 Christopher G. Gunn
Strategy

Outlaw
©1997 John Swartz
Uncategorised

Outpost
©1994 Sierra Online
Action

OutRun
©1989 SEGA Enterprises Ltd.
Racing - Driving

Outrun Ega
©1987 Sega Entertainment Inc
Uncategorised

Overdrive
©1993 Team 17
Driving