- Mordheim: City of the Damned v1.3.4.2 + 5 DLC
- Morels: The Hunt
- Mortal Kombat 11: Ultimate Edition – v0.384-34-CL237394 + All DLCs
- Mortal Kombat XL
- Mortal Shell – Build 08.12.21 Revision 1.014528 + The Virtuous Cycle DLC
- Mosaic – v1.1.8.75
- 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
- Motorcycle Club
- Motorcycle Mechanic Simulator 2021 – v1.0.57.10 + 2 DLCs
- Motorsport Manager – v1.4.14933 + 4 DLC
- Mount & Blade II: Bannerlord – v1.0.0.3624/v1.0.0.3729 + Dedicated Server + Modding Kit
- Mount & Blade: Warband – Viking Conquest
- Mount & Blade: Warband – Viking Conquest – Reforged Edition
- Mountains of Madness
- Move 78
- Moviehouse: The Film Studio Tycoon – v1.4.0
- Movies Tycoon – v2.0.3 (Release)
- Moving Out 2 – v1.2.274 + DLC
- Moving Out 2 – v1.2.274 + DLC
- Mr. DRILLER DrillLand
- Mr. Prepper: Anniversary Edition – v1.30k + Animal Farm DLC + Bonus OST
- Mr. Shifty
- Mugen Souls
- Mugen Souls Z + 12 DLC
- MULLET MADJACK: Deluxe Edition – v1.0b + Bonus Content
- Munch: Metalhead Soundtrack Bundle, v1.0.6 + Bonus OST
- Munchkin Digital – v1.2.0.450 (Release)
- Murder Mystery Machine
- Murderous Pursuits + Multiplayer
- Murders on the Yangtze River – v1.2.20 + Bonus Soundtrack
- Mushoku Tensei: Jobless Reincarnation Quest of Memories – v1.0.3 + Windows 7 Fix
- Musicmenia – v1.0.0
- Mutant Football League: Dynasty Edition – v1.8.0 + 7 DLCs
- Mutant Year Zero: Road to Eden – v1.07 + 2 DLCs
- MX Nitro: Unleashed + DLC
- MX vs ATV Legends – v3.12 + 26 DLCs + Windows 7 Fix