- Not A Hero
- Not For Broadcast: Complete Edition, v2024.09.04b + 3 DLCs + Bonus OSTs
- NotGTAV
- Nour: Play with Your Food
- Now Testing: 407
- Nowhere Near + Windows 7 Fix
- Nuclear War Simulator
- Nymphomaniac: Sex Addict – v11750 + Windows 7 Fix
- Oaken: Supporter Edition – v1.0.2 + Bonus Content
- Oasis Mission: Colony Sim – v1.0 (Release)
- Obduction + Update 1 (Hot Fix)
- Oblivion Override – v1.0.0.1494 (Release)
- Observation – v1.16
- Observer: System Redux – Deluxe Edition, BuildID 7368691 + OST + ArtBook
- Ocean Pressure
- Oceanhorn 2: Knights of the Lost Realm – v100.91363.230602
- Oceanhorn: Monster of Uncharted Seas
- Octopath Traveler + Update 1
- Octopath Traveler II – Build 10440977 (Denuvoless) + DLC + Bonus OST
- Octopath Traveler II – v1.0.2 + Ryujinx/Yuzu Switch Emulators
- Oddworld: Abe’s Oddysee – New ‘n’ Tasty
- Oddworld: Munch’s Oddysee HD + Update 14
- Oddworld: Soulstorm – Enhanced Edition
- Of Bird and Cage
- Office Fight + Windows 7 Fix
- Offroad Horizons: Arcade Rock Crawling
- Offroad Mechanic Simulator
- Offroad Racing: Buggy X ATV X Moto
- Offroad Truck Simulator: Heavy Duty Challenge – v23.9.1314.0
- Ogu and the Secret Forest: Deluxe Edition – v1.0 (Release) + Bonus Soundtrack
- Okami HD + CrackFix
- Old Evil – v1.03
- Old Gods Rising
- Old School RPG
- Old World: Complete – v1.0.76630 + 6 DLCs
- OlliOlli World + 2 DLCs
- Olympic Games Tokyo 2020: The Official Video Game + Multiplayer
- Omega Quintet + All DLCs
- Omen of Sorrow
- Omensight: Definitive Edition- v1.04
- Omno
- On Your Tail: Deluxe Bundle – v1.0.1 + Bonus Content
- Once a Tale + Windows 7 Fix
- Once Alive – v0.9.9.8
- Onde
- One Eleven – v1.3 + Bonus Soundtrack
- One Last Breath + Windows 7 Fix
- One Last Dinner + Windows 7 Fix
- One Last Memory
- One Late Night: Deadline