- Mantis Burn Racing + 3 DLCs
- Maquette
- Marco & The Galaxy Dragon
- Mari and Bayu: The Road Home
- Mario Golf: Super Rush – v1.1.0 + Ryujinx Emu for PC
- Mario Kart 8 Deluxe – v1.7.1 + Yuzu Emu for PC
- Mark of the Ninja: Remastered
- Mark Out! The Wrestling Card Game – v1.0.0 (Release)
- Markus Ritter: Ghosts Of The Past
- Mars 2030
- Mars Horizon – v1.4.2.1
- Marsupilami: Hoobadventure
- Martha Is Dead – v1.0223.01
- Marvel vs. Capcom: Infinite – Deluxe Edition
- Marvel’s Avengers – v1.3.3 (141640)
- Marvel’s Guardians of the Galaxy: The Telltale Series – Complete Season
- Marvel: Ultimate Alliance Bundle – 1 + 2
- Marvel’s Spider-Man Remastered – v1.812.1.0 + DLC + SSE Fix
- Marvel’s Spider-Man: Miles Morales – v1.1116.0.0 + DLC + Bonus OST
- Mary Skelter 2 + 5 DLCs
- Mary Skelter Finale + Windows 7 Fix
- Mary Skelter: Nightmares + 6 DLCs
- Mask of Sanity
- Mask of the Rose – v1.2.705 + Bonus Soundtrack
- Masquerada: Songs and Shadows – v1.10 GOG DRM-Free
- Masquerade: The Baubles of Doom – v20160501
- Mass Effect – v1.02 + 2 DLCs + Bonus Content
- Mass Effect 1: Legendary Edition – v2.0.0.48602 + DLC
- Mass Effect 2: Digital Deluxe Edition – v1.02 + DLC Bundle (All DLCs)
- Mass Effect 2: Legendary Edition – v2.0.0.48602 + All DLCs
- Mass Effect 3: Digital Deluxe Edition – v1.05.5427.124 + All DLCs
- Mass Effect 3: Legendary Edition – v2.0.0.48602 + All DLCs
- Mass Effect: Andromeda – Super Deluxe Edition v1.10 + All DLCs
- Massive Chalice
- Master of Magic (2022) – v1.06
- Master of Orion: Collector’s Edition + Revenge of Antares + Bonus Content
- Matchpoint: Tennis Championships – v1.6.75169 + Legends DLC
- Mato Anomalies + 7 DLCs
- Max Payne 3: Complete Edition – v1.0.0.196 + All DLCs
- Max Payne 3: Complete Edition – v1.0.0.216 + All DLCs
- Mayhem Brawler – v2.1.9
- Mayhem in Single Valley – v4.0.00
- Mech Armada
- Mech Mechanic Simulator
- Mecha Knights: Nightmare
- Mechajammer
- Mechs & Mercs: Black Talons (v1.0.11.24)
- MechWarrior 5: Mercenaries – JumpShip Edition, v1.1.335 + 5 DLCs/Bonuse
- Medieval Dynasty: Digital Supporter Edition – v1.4.0.3 (The Heir Update) + 2 DLCs/Bonus Content
- Medieval Engineers – v0.7.2 (Official/Final Release)