- Mickey Storm and the Cursed Mask – v1.0.75
- Micro Machines: World Series
- Microcosmum 2 + Bonus Soundtrack
- Microsoft Flight Simulator – Monkey Repack
- Microsoft Flight Simulator X: Steam Edition v10.0.62615.0
- Middle-Earth: Shadow of Mordor – Game of the Year Edition – v1951.27 + all DLCs
- Middle-earth: Shadow of War – Definitive Edition – v1.21 Denuvoless GOG + All DLCs + 4K Cinematics & HD Texture Packs
- Midnight Acres + Windows 7 Fix
- Midnight Fight Express – v1.021
- Midnight Legends – v1.0.0.6
- Midnight Protocol – v1.0.3 (Build 237)
- Might & Magic: Clash of Heroes – Definitive Edition + Windows 7 Fix
- Might & Magic: Heroes VII – v2.2.1-40632 + All DLCs & Bonus Soundtrack
- Might & Magic: Heroes VII v1.8 + DLCs
- Mighty Fight Federation + Kunio & Riki Pack DLC
- Mighty No. 9 + 4 DLC
- Millennia: Premium Edition – v1.0.22991.F + 4 DLCs/Bonuses
- Million Arthur: Arcana Blood – Limited Edition + Multiplayer
- MINDMIST
- Minds Beneath Us – v1.0.1
- Minecraft Dungeons – v1.17.0.0_12688467 + 10 DLCs
- Minecraft Legends: Deluxe Edition + Bonus OST
- Minecraft: Story Mode – Complete Season (Episodes 1-8)
- Minecraft: Story Mode – Season 2: The Telltale Series – All Episodes (1-5)
- Miner’s Mettle, v1.1.0
- Mini Airways – v0.8.1
- Mini Madness
- Mini Maker: Make A Thing
- Mini Racing World
- Miniature: The Story Puzzle
- Minicology – v1.0f + Bonus Soundtrack
- MiniGolf Maker
- Mining Industry Simulator
- Miraculous: Rise of the Sphinx – v1.01.11 + DLC
- Mirror Forge
- Mirror’s Edge, GOG DRM-Free v1.0.1.0
- Mirror’s Edge: Catalyst – v1.0.3.47248 + 2 DLC
- Mirthwood – v1.0.1f
- Mist Slayer – v1.0.1
- MISTROGUE: Mist and the Living Dungeons
- MOCHI A GIRL
- Model Builder – v1.1.4 + 5 DLCs
- Moero Chronicle: Deluxe Bundle – v1.0.06
- MONARK
- Moncage – v1.01
- Monkey Barrels
- Monkey King: Hero Is Back – Deluxe Edition + All DLCs
- Monochrome Mobius: Rights and Wrongs Forgotten – Update 1/Build 9949277 + Bonus Content
- Monolith – v1.0.1.3
- Monopoly Plus