Games
- Obscure
- Obscure II
- Obscure: The Aftermath
- Observation
- Observer
- Octodad: Dadliest Catch
- Project Octopath Traveler
- Octopath Traveler 2
- Octopath Traveler: Champions of the Continent
- Oculus Rift
- Oddworld: Abe's Exoddus
- Oddworld: Abe's Oddysee
- Oddworld: Hand of Odd
- Oddworld: Munch's Oddysee
- Oddworld: Munch's Oddysee
- Oddworld: New 'n' Tasty
- Oddworld: Soulstorm
- Oddworld: Stranger's Wrath
- Oddworld: Stranger's Wrath HD
- Odin Sphere
- Odin Sphere: Leifdrasir
- Offworld Trading Company
- Oil Rush
- Okami
- Ōkami HD