FRANCHISES
- M&M's
- Macross
- Madagascar
- Madden Football
- Madou Monogatari
- Magic Knight Rayearth
- Magical Drop
- Magical * Taru Ruto-Kun
- Mahjong Taikai
- Mahou Sensei Negima!
- Mahoujin GuruGuru
- Maison Ikkoku
- Majin Tensei
- Major League Baseball 2K
- Makeruna! Makendou
- Mamono Hunter Youko
- Mana / Seiken Densetsu
- Maniac Mansion
- Mappy
- Marble Madness
- Mario
- Mario Andretti Racing
- Mario Kart
- Mario & Luigi
- Mario Party
- Mario Sports
- Marvel
- Marvel Fighting
- Mary-Kate and Ashley
- Masou Kishin
- Master of Monsters
- Mat Hoffman BMX
- Matchbox
- Math Blaster
- Max Payne
- Maxis Sims
- Maya the Bee
- McDonalds
- MechWarrior
- Medabots / Medarot
- Medal of Honor
- Mega Games
- Mega Man
- Mega Man Battle Network
- Mega Man X
- Mega Man Zero
- Megami Tensei
- Megami Tensei Gaiden: Last Bible
- Men in Black
- Mermaid Melody
- Metal Gear
- Metal Max
- Metal Slug
- Metroid
- Mickey Mouse
- MicroMachines
- Midnight Club Racing
- Midway Presents Arcade Hits
- Might and Magic
- Mike Tyson Boxing
- Milon's Secret Castle
- Miner 2049er
- Miner Willy
- Minesweeper
- MiniMoni
- Missile Command
- Mission Impossible
- MLB Slugfest
- Mobile Suit Gundam
- Momotarou Densetsu
- Momotarou Dentetsu
- Monaco Grand Prix
- Monopoly
- Monster Jam
- Monster Maker
- Monster * Race
- Monster Rancher
- Monster Truck Madness
- Monster Trucks Mayhem
- Monsters, Inc
- Mortal Kombat
- Moto Racer
- MotoGP (THQ)
- Mr. Do!
- Mr. Driller
- MTV
- Mummy
- Mushi King
- Mutant League Sports
- MX Supercross
- My Little Pony
- Mystery Dungeon: Shiren the Wanderer