Steam Games Directory: Page 51
- Magic Spellslingers
- Magic Technology
- Magic: The Gathering - Duels of the Planeswalkers 2013
- Magic: The Gathering — Duels of the Planeswalkers 2012
- Magic: The Gathering Arena
- Magical Animal Farm
- Magical Girl Celesphonia
- Magical Girl Witch Trials (魔法少女ノ魔女裁判)
- Magical Princess
- Magical Princess Demo
- Magicians & Looters
- Magicite
- Magicka
- Magicka - Demo
- Magicka 2
- Magicka: Wizard Wars
- Magicraft
- Magma Tsunami
- Mahjong
- Mahjong Magic Journey
- Mahjong Soul
- Mahjong World Contest
- Mahsung Deluxe
- Mai: Child of Ages
- Main Sequence Playtest
- Mainframe Defenders
- Maitetsu:Last Run!!
- Make it indie!
- Make Way
- MakeRoom
- Maktala
- Malavision: The Origin
- Malice
- Mall Simulator
- Mall Simulator: Prologue
- Malody V
- Maltese's Fluffy Onsen
- MAMIYA
- Mamon King
- Man of the House
- Mandate Order
- Mandragora: Whispers of the Witch Tree
- Maneater
- Manhunt
- Manifold Garden
- Manor Lords
- Mansions of Madness
- Manual Samuel - Last Tuesday Edition
- MapleStory
- Marathon
- Marathon Closed Technical Test
- Marathon Server Slam
- Marauders
- Marauders: Tech Test
- Marble Duel
- Marble Mayhem: Fragile Ball
- Marble Run 2D
- Marble World
- Marbles on Stream
- March of Empires
- March of Giants Playtest
- March of the Eagles
- Marfusha
- Mark of the Ninja
- Mark of the Ninja: Remastered
- Mars First Logistics
- Mars Horizon
- Mars: War Logs
- Marvel Contest of Champions
- MARVEL Cosmic Invasion
- MARVEL Cosmic Invasion Demo
- MARVEL END TIME ARENA
- Marvel Heroes Omega
- Marvel Puzzle Quest
- Marvel Rivals
- Marvel Rivals Playtest
- MARVEL SNAP
- MARVEL Tōkon: Fighting Souls
- MARVEL Tōkon: Fighting Souls OPEN BETA
- MARVEL vs. CAPCOM Fighting Collection: Arcade Classics
- Marvel vs. Capcom: Infinite
- Marvel's Avengers - The Definitive Edition
- Marvel's Guardians of the Galaxy
- Marvel's Midnight Suns
- Marvel's Spider-Man 2
- Marvel’s Spider-Man Remastered
- Marvel's Spider-Man: Miles Morales
- Mash Box
- Mashinky
- Masked Shooters 2
- Masky
- Mass Effect (2007)
- Mass Effect 2 (2010)
- Mass Effect 3 (2012)
- Mass Effect™ Legendary Edition
- Mass Effect™: Andromeda
- Master Detective Archives: RAIN CODE Plus
- Master Healer Kale with useless party
- Master of Command
- Master of Command Demo