Operation: Inner Space
Windows
Software Dynamics
Operation Keystone
Operation KREEP
Operation Lemming
Operation Logic Bomb
Super Nintendo Entertainment System
Jaleco
Operation Lone Wolf
Operation Lovecraft: Fallen Doll
Project Helius
Operation Marakudja
Operation Market Garden
Apple II, Atari 8-bit family, Commodore 64
Operation: Matriarchy
Operation Nemo
Amstrad CPC
Coktel Vision
Operation Neptune
Disk Operating System, Windows
The Learning Company
Operation: New Earth
macOS, Windows
Hunted Cow Studios
Operation NOVEL: Act 1
Android, macOS, Windows
Homeschool Studios
Operation: Ops
Operation Osama Bin Laden
Operation Overlord: The Invasion Of Europe
Operation Pill
Operation: Pinkeye
Linux, macOS, Windows
Operation: Polarity Hook
Operation Red Dragon
Linux, Windows
Operation S
Operation Sabotage
Operation Secret Storm
Nintendo Entertainment System
OPERATION SERPENS
Operation Sexy Sudoku
Operation Shadow
Torus Games
Operation Sheep Defense
Operation Sniff
Operation Snowman
