- Oddworld: Munch’s Oddysee HD + Update 14
- Offroad Racing: Buggy X ATV X Moto
- Okami HD + CrackFix
- Old Gods Rising
- Omega Quintet + All DLCs
- Omen of Sorrow
- Omensight: Definitive Edition- v1.04
- One Late Night: Deadline
- One Piece Pirate Warriors 3: GOLD Edition + All DLCs
- One Piece: Burning Blood – Gold Edition (All DLCs)
- One Piece: Pirate Warriors 4 + 2 DLCs + Multiplayer
- One Piece: Unlimited World Red – Deluxe Edition
- ONE PIECE: World Seeker – v1.4.0 + 17 DLCs
- One Sole Purpose
- Onechanbara Z2: Chaos
- Onee Chanbara ORIGIN – v1.02/Update 2 + 96 DLCs
- Onimusha: Warlords
- ONINAKI + DLC
- Only After
- Operencia: The Stolen Sun – Explorer’s Edition
- Ori and the Blind Forest
- Ori and the Blind Forest: Definitive Edition
- Ori and the Will of the Wisps
- Othercide
- Outbreak: Epidemic – Deluxe Edition + 2 DLCs
- Outcast: Second Contact
- Outer Wilds – v1.0.1
- Outlast 2
- Outward – v2020.12.15 + 3 DLCs
- Overcooked! 2: Gourmet Edition + All DLCs
- Overcrowd: A Commute ‘Em Up – v1.0
- Overgrowth
- OVERKILL’s The Walking Dead – v1.0.2 + 9 DLCs + Multiplayer + Updater
- Overload
- Overlord: Fellowship of Evil
- Overpass: Deluxe Edition – Build 13935 + 3 DLCs + Multiplayer
- Override 2: Super Mech League + Ultraman DLC
- P.A.M.E.L.A. – v1.0.0.2
- Pacer
- Pagan: Absent Gods – v2.0.0.60421
- Painkiller: Complete Pack – Six Games + All DLCs + Bonus Content
- Panzer Corps 2 – v1.0.4
- Panzer Dragoon: Remake – v1.4
- Paper Beast: Folded Edition
- Paper Monsters Recut
- Paradise Killer
- Paranoia: Happiness is Mandatory
- Parkasaurus – Build 5410510 / v1.00j
- Particula
- Party Hard 2 – v1.0.007.r