6,996 GAMES
Oil Imperium 2.0
[no publisher]
2021
Strategy - Stock Market / Corporate
Low, High
ST, STe, TT
Oilis Hyperworm 1.3
ST Deluxe Disk Magazine
1991
Arcade - Snake
High
ST, STe
Old Towers
Arcade - Collect'em!
Low
Olympiad Collection (The)
Micro-Value
Sports - Multi-Event
Olympique de Marseille
Ocean Software
1993
Sports - Soccer
STe Only
Olympus
Olympian Software
1990
Adventure / Arcade - 2-D
ST
Omar Sharif's Bridge
Oxford Softworks
1992
Cards - Bridge
Medium
Omega 1.3
Origin Systems
1989
Strategy - Wargame
On the Road
Lifetimes
Simulation - Miscellaneous
Low, Medium
Once upon a Time - Abracadabra
Coktel Vision
Adventure - Miscellaneous
System 4
Once upon a Time - Baba Yaga
Once upon a Time - Caperucita Roja
Once upon a Time - Le Petit Chaperon Rouge
Onemore Breakout 1.3 [preview]
Arcade - Breakout / Pong / Circus
Online Backgammon 1.7
Board Game - Backgammon
Onslaught
Hewson
Shoot'em Up! - Horizontal Scrolling
Onslaught [Re-release]
Mirror Image
Silica Distribution Ltd.
Onyx [Licenceware]
Budgie UK
Oo-Topos
Polarware, Inc.
1986
Adventure - Text / Graphics
Ooze
Ariolasoft (Germany)
1988
Adventure - Text
Low, Medium, High
Ooze 1.2e
Dragonware Games
Operation Blue Sunrise 3.00
Operation Garfield
Shoot'em Up! - Crosshair
STe Only, Falcon030
Operation Harrier
US Gold
Shoot'em Up! - Multi-Directional
Operation Harrier [Re-release]
Kixx
Operation Hongkong
HGSS-Productions
Operation Hormuz
Again Again
Operation Hormuz [Re-release]
Alternative Software
Opération Jupiter
Infogrames
Operation Neptune
Arcade - Miscellaneous
Operation Neptune [Re-release]
Smash 16
Erbe Software
Operation Overlord - The Invasion of Europe 6 June-28 August 1944
Simulations Canada
Medium, High
ST, STe, TT, Falcon030
Operation Skuum [Falcon030]
Logitron
1996
VGA, RGB
Falcon030
Operation Skuum [Falcon030] [preview]
Operation Stealth
Adventure - Point and Click
Delphine Software
Operation Stealth [Re-release]
Kixx XL
Operation Stealth [bundle]
Naksha
Operation Wimp! [Licenceware]
Opus No 1
Arcade - Maze
Oracle Horse Tipster
Esp Software
Gambling - Racing
Orbit 2000 [Budget]
Byte Back
Shoot'em Up! - Vertical Scrolling
Orbit 2000 [Re-release]
50 per page
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![Onemore Breakout 1.3 [preview]](https://www.atarimania.com/st/screens/onemore_breakout_[ifa].png)
![Onyx [Licenceware]](https://www.atarimania.com/st/screens/onyx_budgie_uk.gif)
![Operation Harrier [Re-release]](https://www.atarimania.com/st/screens/operation_harrier_kixx.png)
![Operation Skuum [Falcon030]](https://www.atarimania.com/st/screens/operation_skuum_[falcon030]_logitron_2.png)
![Operation Skuum [Falcon030] [preview]](https://www.atarimania.com/st/screens/operation_skuum_preview_[falcon030]_logitron.png)
![Operation Stealth [Re-release]](https://www.atarimania.com/st/screens/operation_stealth_kixx_xl_4.png)
![Operation Stealth [bundle]](https://www.atarimania.com/st/screens/operation_stealth_naksha_bundle_4.png)
![Operation Wimp! [Licenceware]](https://www.atarimania.com/st/screens/operation_wimp!_budgie_uk.gif)
![Orbit 2000 [Budget]](https://www.atarimania.com/st/screens/orbit_2000_byteback.gif)