The Oregon Trail
Apple II
Minnesota Educational Computing Consortium
The Oregon Trail 3rd Edition
The Oregon Trail 4th Edition
macOS
The Oregon Trail 5th Edition
The Oregon Trail: American Settler
iOS
Gameloft
Theorem
Windows
The Organ Trail
macOS, PlayStation 4, iOS, and 3 more
The Men Who Wear Many Hats
THE ORIGIN: Blind Maid
PlayStation 4, Windows
The Orion Conspiracy
Disk Operating System, Windows
Divide By Zero
The Orphan A Tale of An Errant Ghost - Hidden Object Game
The Orphan Dreams
The Orphaned Soul
macOS, Windows
The ORPHEUS Ruse
Linux, macOS, Windows
Choice of Games
The Orville - Interactive Fan Experience
THEORY
Theory of Fear
Theory of Poltaran
Theo's World
The Other 99
The Other: Airi's Adventure
The Other Half
The_Otherside
macOS, iOS
Barbacube, Quantum Giant
The Other Side
The Other Side Of The Screen
The Otoko-tachi no Kijū Hōza
PlayStation 2
The Otome Chronicle Story
TheoTown
Android, iOS, Linux, and 2 more
The Otterman Empire
Xbox One, Windows, Nintendo Switch
The Ottifants
Sega Game Gear, Sega Master System, Sega Mega Drive
The Ouroboros King
Linux, Windows
