Xbox 360 - M
- Machi-ing Maker 4
- Machiavelli's Ascent
- Mad Riders
- Mad Tracks
- Madagascar - Escape 2 Africa
- Madagascar 2
- Madagascar 3
- Madagascar 3 - the Video Game
- Madagascar Kart
- Madagascar Kartz
- Madballs in Babo - Invasion
- Madden NFL 06
- Madden NFL 07
- Madden NFL 08
- Madden NFL 09
- Madden NFL 10
- Madden NFL 11
- Madden NFL 12
- Madden NFL 13
- Madden NFL 15
- Madden NFL 16
- Madden NFL 2010
- Madden NFL 25
- Madden NFL Arcade
- Mafia 2
- Mafia 2 - Director's Cut
- Mafia 2 - Joe's Adventures
- Magic - Duels of the Planeswalkers 2015
- Magic - the Gathering
- Magic - the Gathering - Duels of the Planeswalkers
- Magic - the Gathering - Duels of the Planeswalkers - Expansion 2
- Magic - the Gathering - Duels of the Planeswalkers - Expansion Pack 2
- Magic - the Gathering - Duels of the Planeswalkers - Expansion Pack 3
- Magic - the Gathering - Duels of the Planeswalkers 2012
- Magic - the Gathering - Duels of the Planeswalkers 2013
- Magic - the Gathering - Duels of the Planeswalkers 2014
- Magic - the Gathering - Duels of the Planeswalkers 2015
- Magic - the Gathering - Duels of the Planewalkers
- Magic the Gathering - Duel of the Dragon
- Magicians and Looters
- Magna Carta 2
- MagnaCarta 2
- Magrunner - Dark Pulse
- Mahjong Wisdom - Ancient Tales
- Majin and the Forsaken Kingdom
- Majin and the Forsaken Kingdom
- Major League Baseball 2K10
- Major League Baseball 2K11
- Major League Baseball 2K12
- Major League Baseball 2K13
- Major League Baseball 2K6
- Major League Baseball 2K7
- Major League Baseball 2K8
- Major League Baseball 2K9
- Make It Rain
- Man vs. Wild
- Marathon - Durandal
- Marble Blast Ultra
- Mark of the Ninja
- Marlow Briggs and the Mask of Death
- Mars - War Logs
- Mars Rover Landing
- Marvel - Ultimate Alliance
- Marvel - Ultimate Alliance 2
- Marvel Avengers - Battle for Earth
- Marvel Pinball
- Marvel Super Hero Squad - Comic Combat
- Marvel Super Hero Squad - the Infinity Gauntlet
- Marvel vs Capcom 3 - Fate of Two Worlds
- Marvel vs. Capcom - Origins
- Marvel vs. Capcom 2
- Marvel vs. Capcom 3 - Fate of Two Worlds
- Marvel vs. Capcom 3 - Fate of Two Worlds
- Marvel vs. Capcom Origins
- Masquerade - the Baubles of Doom
- Mass Effect
- Mass Effect - Bring Down the Sky
- Mass Effect - Limited Collector's Edition
- Mass Effect - Pinnacle Station
- Mass Effect 2
- Mass Effect 2 - Kasumi - Stolen Memory
- Mass Effect 3
- Mass Effect 3 - Omega
- Matt Hazard - Blood Bath and Beyond
- Maw
- Max - the Curse of Brotherhood
- Max Anarchy
- Max Payne 3
- Max the Frog
- Mayhem
- Mayhem 3D
- Medal of Honor
- Medal of Honor - Airborne
- Medal of Honor - Warfighter
- Medal of Honor Airborne
- Meet the Robinsons
- Mega Man 10
- Mega Man 9
- Megamind - Ultimate Showdown
- Melvin's Meltdown
- Memories Off 6 - Next Relation
- Men in Black - Alien Crisis
- Mercenaries 2 - World in Flames
- Merchants of Brooklyn
- Mercury Hg
- Merv Griffin's Crosswords
- Metal Gear Rising - Revengeance
- Metal Gear Solid - Peace Walker HD Edition
- Metal Gear Solid 5 - Ground Zeroes
- Metal Gear Solid 5 - the Phantom Pain
- Metal Gear Solid HD Collection
- Metal Gear Solid Rising
- Metal Slug
- Metal Slug 3
- Metal Slug 7
- Metal Slug XX
- Meteos Wars
- Metro - Last Light
- Metro 2033
- Metronome
- Michael Jackson - the Experience
- Michael Jackson the Experience
- Michael Phelps - Push the Limit
- MiCoach
- MicroBot
- Microsoft Xbox 360
- Middle-Earth - Shadow of Mordor
- Midnight Club - Los Angeles
- Midway Arcade Origins
- Might & Magic - Clash of Heroes
- Might and Magic - Clash of Heroes
- Might and Magic - Duel of Champions - Forgotten Wars
- Mighty No. 9
- Military Madness - Nectaris
- Mindjack
- Minecraft
- Minecraft - Xbox 360 Edition
- Miner of Duty
- Minesweeper Flags
- Mini Ninjas
- Mini Ninjas Adventures
- Minigolf Adventures
- Minute To Win It
- Mirror's Edge
- Misadventures of P.B. Winterbottom
- Missile Command
- MLB 2K13
- MLB Bobblehead Battle
- MLB Bobblehead Pros
- MLB Front Office Manager
- MLB Stickball
- Mobile Ops - the One Year War
- Mobile Suit Gundam - Operation - Troy
- Modern Warfare 2
- Moe Mekuri
- Moe Moe 2-Ji Daisenryaku * Ultra Deluxe
- Molly the Were-Zompire
- Momotaro Densetsu 16 Gold
- Monaco - What's Yours Is Mine
- Monaco - Whats Yours Is Mine
- Monday Night Combat
- Monkey Island 2 - Special Edition - LeChuck's Revenge
- Monkey Island 2 Special Edition - LeChuck's Revenge
- Monopoly
- Monopoly Deal
- Monopoly Plus
- Monopoly Streets
- Monster Garage
- Monster Hunter Frontier Online
- Monster Hunter Frontier Online (Beginner's Package)
- Monster Jam
- Monster Jam - Battlegrounds
- Monster Jam - Path of Destruction
- Monster Madness - Battle for Suburbia
- Monsters (Probably) Stole My Princess
- Monsters vs. Aliens
- Moon Diver
- More Brain Exercise
- MorphX
- MorphX - the Swarm
- Mortal Kombat
- Mortal Kombat (2011)
- Mortal Kombat 10
- Mortal Kombat Arcade Kollection
- Mortal Kombat Komplete Edition
- Mortal Kombat vs. DC Universe
- Mortal Legacies
- Motion Explosion!
- MotionSports
- MotionSports - Adrenaline
- MotionSports Adrenaline
- Moto GP - Ultimate Racing Technology 2006
- Moto GP '06
- Moto GP 09/10
- Moto GP 10/11
- Motocross Madness
- Motocross Madness (XBLA)
- MotoGP '06
- MotoGP '07
- MotoGP 06
- MotoGP 07
- MotoGP 08
- MotoGP 09/10
- MotoGP 10/11
- MotoGP 13
- MotoGP 14
- MotoGP 15
- MotoGP 2006
- Motorcycle Club
- Mount Your Friends
- Mr. Driller Online
- Ms. 'Splosion Man
- Ms. Pac-Man
- Ms. Splosion Man
- MUD - FIM Motocross World Championship
- Multiwinia
- Murder Miners
- Murdered - Soul Suspect
- Mushihimesama Futari Ver 1.5
- Musical Feet
- Mutant Storm Empire
- Mutant Storm Reloaded
- MuvLuv
- MuvLuv Alternative
- MX vs. ATV - Reflex
- MX vs. ATV - Supercross
- MX vs. ATV Alive
- MX vs. ATV Reflex
- MX vs. ATV Supercross
- MX vs. ATV Untamed
- MXGP - the Official Motocross Video Game
- My Body Coach 3
- My Cat vs. Zombies Ep 1
- My Horse & Me 2
- My Horse and Me
- My Horse and Me 2
- MySims SkyHeroes