NES - M
- Mad Max
- Magic Candle
- Magic Darts
- Magic Jewelry
- Magic Jewelry 2
- Magician
- Mahjang Companion
- Mahjong
- Mahjong Academy
- Mahjong Block
- Mahjong Club Nagatacho - Sousaisen
- Mahou no Princess Minkiimomo Remember Dream
- Maniac Mansion
- Mario Brothers
- Mario is Missing
- Mario is Missing!
- Marios Time Machine
- Masuzoe Youichi - Asa Made Famicom
- Mechanized Attack
- Mega Man
- Mega Man 1
- Mega Man 2
- Mega Man 3
- Mega Man 4
- Mega Man 5
- Mega Man 6
- Metal Fighter
- Metal Gear
- Metal Slader Glory
- Metal Storm
- Metroid
- Michael Andretti's World Grand Prix
- MiG-29 Soviet Fighter
- Mighty Bomb Jack
- Mike Tyson's Punch-Out!!
- Mike Tyson's Punchout
- Minelvaton Saga - Ragon no Fukkatsu
- Mirai Senshi - Lios
- Mission - Impossible
- Mission Impossible
- Mitsume ga Tooru
- Momotarou Densetsu - Peach Boy Legend
- Momotarou Densetsu Gaiden
- Money Game
- Monster Party
- Mr. Gimmick
- MULE