162 GAMES
Omnicron Conspiracy
Image Works
1990
Adventure - Point and Click
Low
ST, STe
On Safari [Re-release]
Action Sixteen
Shoot'em Up! - Crosshair
On Safari
System 4
On the Pull
[no publisher]
1991
ST
On the Road
Lifetimes
Simulation - Miscellaneous
Low, Medium
Once a King
1988
Adventure - Text / Graphics
Once upon a Time
Carraz
Education - Miscellaneous
Once upon a Time - Abracadabra
Coktel Vision
Adventure - Miscellaneous
Once upon a Time - Baba Yaga
Once upon a Time - Caperucita Roja
Once upon a Time - Le Petit Chaperon Rouge
One Got Away (The) 1.1
1995
Adventure - Text
ST, STe, TT
One Step Beyond
Ocean Software
1993
Brain - Logical / Puzzle
Onemore Breakout 1.3 [preview]
Arcade - Breakout / Pong / Circus
Only Valency 6
1994
Brain - Solitaire
Low, VGA
ST, STe, TT, Falcon030
Onslaught
Hewson
1989
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 Garfield
STe Only, Falcon030
Operation Harrier
US Gold
Shoot'em Up! - Multi-Directional
Operation Harrier [Re-release]
Kixx
Operation Hongkong
HGSS-Productions
Low, High
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 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
Taito Software
Operation Wolf [Re-release]
Operation: Cleanstreets
Brøderbund Software
Arcade - Beat'em Up!
![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)
