199 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
OakGraph
Oak Forest Software, Inc.
[unknown]
OakSpell
Education - Spelling
Obcy
Blue Kitten Software
2007
Arcade - Miscellaneous
Objective: Kursk
Strategic Simulations, Inc.
Strategy - Wargame
DKG
Oblitroid
KE-Soft
1989
Obrona Ziemi
2008
Shoot'em Up! - Miscellaneous
Obronca Ziemi
Bajtek
1990
Observational Astronomy Program
ANALOG Computing
Education - Space / Astronomy
Obst
Zong
1992
Arcade - Catch'em!
Obstacle
Dilithium Press
Arcade - Tron
Occult Numbers
ERACE
Brain - Mastermind
Occupational Interest Matching
Career Research Corporation
1985
Education - Miscellaneous
Occupations
Aim Software
Ocean Detox
[no publisher]
2010
Shoot'em Up! - Bomber
OCI
Tearsoft
1988
Adventure - Text
Ockers & Adventure
Antic Public Domain
Various
Octadraw
SoftSide Publications
1980
Education - Drawing
Octane
Project SERAPHIM
Education - Chemistry / Physics
Octopus
ArSoft Corporation
2011
Oczko
Tajemnice Atari
1991
Odd Man Out
Antic
Education - Introductory
Odd Man Out - Plurals
ACE Newsletter
Education - Language Arts
Odieus' Quest for the Magic Flingshot
1993
CTH Enterprises
Odin
Odesta
1982
Board Game - Reversi
Odysseus
Pinball - Pinball Construction Set
Odyssey in Time
Krell Software
Oelbaron
Oelsuche
Happy Computer
Oggs Eggs
Computer & Video Games
Ogre
Origin Systems
1986
Microprose Software UK
Oh! Frankie!
Ohm's Law
Dynacomp
Ohrožení Brittaniku
Oil Business
1994
Strategy - Stock Market / Corporate
Oil Derrick
Oil Wells
Sears
1979
Oil's Well
Sierra On-Line
Main Street Publishing
Aackosoft
Oil-Panic
Computronic
Oilgame Deluxe
Flop
2012
