66 GAMES
Obitus
Psygnosis
1991
Adventure - RPG (3-D)
Low
ST, STe
Obliterator
1988
Arcade - Platformer (Multi-Screen)
Obsession
Unique Development Sweden
1994
Pinball - Standard Table
STe Only, Falcon030
Off Shore Warrior [Re-release]
Fox Hits
1989
Shoot'em Up! - 3-D
Off Shore Warrior
Titus
Ogre 1.07
Origin Systems
1987
Strategy - Wargame
Medium, High
Ogre 1.06
Oh No! More Lemmings [Data Disk]
Brain - Miscellaneous
Oh No! More Lemmings [Stand alone]
Oids
Mirrorsoft
Shoot'em Up! - Multi-Directional
ST, STe, TT
Oil Imperium 2.0
reLINE Software
Strategy - Stock Market / Corporate
Low, High
Oil Imperium [Re-release]
Rainbow Arts
1993
Oliver & Company
Coktel Vision
Arcade - Miscellaneous
Olympiad Collection (The)
Micro-Value
Sports - Multi-Event
Omar Sharif's Bridge
Oxford Softworks
1992
Cards - Bridge
Medium
Omega 1.3
Omnicron Conspiracy
Image Works
1990
Adventure - Point and Click
On Safari [Re-release]
Action Sixteen
Shoot'em Up! - Crosshair
Once upon a Time - Abracadabra
Adventure - Miscellaneous
Once upon a Time - Baba Yaga
Once upon a Time - Le Petit Chaperon Rouge
One Step Beyond
Ocean Software
Brain - Logical / Puzzle
Onslaught
Hewson
Shoot'em Up! - Horizontal Scrolling
Onslaught [Re-release]
Mirror Image
Ooze 1.2e
Dragonware Games
Adventure - Text
Low, Medium, High
Operation Harrier
US Gold
Operation Harrier [Re-release]
Kixx
Operation Hormuz
Again Again
ST
Operation Hormuz [Re-release]
Alternative Software
Operation Neptune
Infogrames
Operation Neptune [Re-release]
Smash 16
Operation Overlord - The Invasion of Europe 6 June-28 August 1944
Simulations Canada
ST, STe, TT, Falcon030
Operation Stealth
Operation Stealth [Re-release]
Kixx XL
Operation Thunderbolt
Operation Thunderbolt [Re-release]
Hit Squad (The)
Operation Wolf
Operation Wolf [Re-release]
Orbit
Mandarin Software
Arcade - Breakout / Pong / Circus
Orbit 2000 [Budget]
Byte Back
Shoot'em Up! - Vertical Scrolling
Orbit 2000 [Re-release]
Orbital Destroyer
Trojan Software
Orbiter
Simulation - Space
Oriental Games
Micro Style
Sports - Boxing / Martial Arts
Oriental Games [Re-release]
Ork
Arcade - Platformer (Scrolling)
Osmose
New Deal Productions
Various
Othello Killer
Ubi Soft
Board Game - Reversi
Out Run
Racing - Cars
50 per page
![Oh No! More Lemmings [Data Disk]](https://www.atarimania.com/st/screens/oh_no_more_lemmings_2.gif?v=2)
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![On Safari [Re-release]](https://www.atarimania.com/st/screens/on_safari.gif?v=2)
![Operation Harrier [Re-release]](https://www.atarimania.com/st/screens/operation_harrier_kixx.png?v=2)
![Operation Stealth [Re-release]](https://www.atarimania.com/st/screens/operation_stealth_kixx_xl_4.png?v=2)
![Operation Thunderbolt [Re-release]](https://www.atarimania.com/st/screens/operation_thunderbolt_hit_squad_(the)_5.png?v=2)
![Orbit 2000 [Budget]](https://www.atarimania.com/st/screens/orbit_2000_byteback.gif?v=2)
