92 GAMES
O'Brien Vocabulary Placement Test (The)
Educational Activities, Inc.
?
Education - Reading
O'Riley's Mine
Datasoft
1983
Arcade - Collect'em!
US Gold
1984
MCC
Obcy
Blue Kitten Software
2007
Arcade - Miscellaneous
Objective: Kursk
Strategic Simulations, Inc.
Strategy - Wargame
Obrona Ziemi
2008
Shoot'em Up! - Miscellaneous
Observational Astronomy Program
ANALOG Computing
Education - Space / Astronomy
Obstacle
Dilithium Press
Arcade - Tron
Occult Numbers
ERACE
Brain - Mastermind
Occupational Interest Matching
Career Research Corporation
1985
Education - Miscellaneous
Occupations
Aim Software
OCI
Tearsoft
1988
Adventure - Text
Odieus' Quest for the Magic Flingshot
CTH Enterprises
Odin
Odesta
1982
Board Game - Reversi
Ogre
Origin Systems
1986
Microprose Software UK
Ohm's Law
Dynacomp
Ohrožení Brittaniku
[no publisher]
1991
Oil Business
1994
Strategy - Stock Market / Corporate
Oil Wells
Sears
1979
Old Forty-Niner
Interface Publications
Board Game - Miscellaneous
Old MacDonald
ACE Newsletter
Education - Introductory
Old Testament of the Holy Bible (The)
Computers as Tutors!
Education - Religion / Esoterism
Old-Surehand
CPU / Roeske Verlag
Olde House (Ye)
Olin in Emerald
Adventure International
Adventure - Selectable Answers
Olympic Skier
Americana
Sports - Skiing
Omar
Antic Software
One Arm Bandit
SLCC Journal
Gambling - Slot Machine
One for the Road
One Man and His Droid
Mastertronic (UK)
One-on-One
Atari
1987
Sports - Basketball
Electronic Arts
Ariolasoft UK
Onyx
UtopiaSoft
1990
Opera House / Qa!
SECS
Operacja "Pustynna Burza"
Tajemnice Atari
Shoot'em Up! - Horizontal Scrolling
Operation Blood
Mirage Software
1992
Shoot'em Up! - Crosshair
ANG Software
Top-Magazin
Operation Market Garden
Operation Sabotage
SoftSide Publications
Orakel (Das)
Rüsselsheimer Atari-Club / Party-Games
1989
Miscellaneous
Oranges and Lemons
KJB Programs
Orbis Pictus - Anglictina
DP
Education - Foreign Language
Orbis Pictus - Nemcina
Orbit - A Trip to the Moon
Simulation - Space
