154 GAMES
Omnicron Conspiracy
First Star Software
1990
Adventure - Point and Click
Low
ST, STe
Image Works
On Safari [Re-release]
Action Sixteen
Shoot'em Up! - Crosshair
On Safari
System 4
On the Road
Lifetimes
Simulation - Miscellaneous
Low, Medium
Once a King
[no publisher]
1988
Adventure - Text / Graphics
Once upon a Time
Carraz
Education - Miscellaneous
Once upon a Time - Abracadabra
Coktel Vision
1991
Adventure - Miscellaneous
Once upon a Time - Baba Yaga
Once upon a Time - Caperucita Roja
Once upon a Time - Le Petit Chaperon Rouge
One Day Cricket
1989
Sports - Cricket
Medium
One Foot Down
Adventure - Text
ST, STe, TT
One Got Away (The) 1.1
1995
One Step Beyond
Ocean Software
1993
Brain - Logical / Puzzle
Onemore Breakout 1.3 [preview]
Arcade - Breakout / Pong / Circus
Online Backgammon 1.7
Board Game - Backgammon
High
Only Valency 6
1994
Brain - Solitaire
Low, VGA
ST, STe, TT, Falcon030
Onnenpyörä
Brain - Hangman / Word Game
Onslaught
Hewson
Shoot'em Up! - Horizontal Scrolling
Onslaught [Re-release]
Mirror Image
Silica Distribution Ltd.
Onyx [Licenceware]
Budgie UK
Oo-Topos
Polarware, Inc.
1986
Ooze
Ariolasoft (Germany)
Low, Medium, High
Ooze 1.2e
Dragonware Games
Operation Angelica [Licenceware]
Arcade - Collect'em!
Operation Blue Sunrise 3.00
1992
Operation Harrier
US Gold
Shoot'em Up! - Multi-Directional
Operation Harrier [Re-release]
Kixx
Operation Hongkong
HGSS-Productions
Low, High
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
Strategy - Wargame
Medium, High
Operation Stealth
Delphine Software
Operation Stealth [Re-release]
Kixx XL
Operation Stealth [bundle]
Naksha
Operation Thunderbolt
Operation Thunderbolt [Re-release]
Hit Squad (The)
Operation Wimp! [Licenceware]
Operation Wolf
![On Safari [Re-release]](https://www.atarimania.com/st/screens/on_safari.gif)
.png)
![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 Angelica [Licenceware]](https://www.atarimania.com/st/screens/operation_angelica.gif)
![Operation Harrier [Re-release]](https://www.atarimania.com/st/screens/operation_harrier_kixx.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 Thunderbolt [Re-release]](https://www.atarimania.com/st/screens/operation_thunderbolt_hit_squad_(the)_5.png)
![Operation Wimp! [Licenceware]](https://www.atarimania.com/st/screens/operation_wimp!_budgie_uk.gif)
