- Morbid: The Lords of Ire
- Morbid: The Seven Acolytes
- Mordhau
- Mordheim: City of the Damned v1.3.4.2 + 5 DLC
- Morels: The Hunt
- Moroi – v1.10
- Moros Protocol
- Morphos
- Mortal Darkness
- Mortal Kombat 11: Ultimate Edition – v0.384-34-CL237394 + All DLCs
- Mortal Kombat XL
- Mortal Kombat: Legacy Kollection – v1.0.0.1
- Mortal Shell – Build 08.12.21 Revision 1.014528 + The Virtuous Cycle DLC
- Mortal Sin – v1.0 (Release)
- Mosaic – v1.1.8.75
- MosGhost
- Motel Manager Simulator
- Mother Russia Bleeds
- MOTHERGUNSHIP
- Motherland
- Moto Racer 4 – v1.5 + All DLCs + Multiplayer
- MotoGP 14: Complete Edition – v1.001 + 4 DLCs
- MotoGP 15 + All DLCs
- MotoGP 17
- MotoGP 18 + Multiplayer
- MotoGP 19 + Historical Pack DLC
- MotoGP 20 + 2 DLCs
- MotoGP 21 + 2 DLCs + Windows 7 Fix
- MotoGP 22 + 2 DLCs + Windows 7 Fix
- MotoGP 23 + 2 DLCs + Windows 7 Fix
- MotoGP 24 + 2 DLCs + Windows 7 Fix
- MotoGP 25 + 2 DLCs
- Motorcycle Club
- Motorcycle Mechanic Simulator 2021 – v1.0.57.10 + 2 DLCs
- Motorsport Manager – v1.4.14933 + 4 DLC
- Mount & Blade II: Bannerlord – Digital Deluxe Edition – v1.3.4.102350 + 3 DLCs/Bonuses
- Mount & Blade: Warband – Viking Conquest
- Mount & Blade: Warband – Viking Conquest – Reforged Edition
- Mountains of Madness
- Mouthwashing – Build 15980018
- Move 78
- Moviehouse: The Film Studio Tycoon – v1.4.0
- Movies Tycoon – v2.1.1 + Dawn of Cinema DLC
- Moving Out 2 – v1.2.274 + DLC
- Moving Out 2 – v1.2.274 + DLC
- Mr. DRILLER DrillLand
- Mr. Prepper: Anniversary Edition – v1.42b + 3 DLCs/Bonuses
- Mr. Shifty
- Mugen Souls
- Mugen Souls Z + 12 DLC