NES

Metroid (USA, Europe) · 17 codes

Michael Andretti's World GPUSA · 15 codes

Mickey MousecapadeUSA · 30 codes

Mickey's Adventure in NumberlandUSA · 7 codes

Mickey's Safari in LetterlandUSA · 2 codes

Micro Machines (USA, Europe) · 31 codes

Micro Mages · 1 codes

MiG 29 - Soviet FighterUSA · 13 codes

Might _ Magic - Secret of the Inner SanctumUSA · 26 codes

Mighty Bomb JackUSA · 31 codes

Mighty Final FightUSA · 67 codes

Mike Tyson's Punch-Out!! · 12 codes

Mike Tyson's Punch-Out!! (Japan, USA) · 156 codes

Mike Tysons Punch-Out (Rumbles) · 2 codes

MillipedeUSA · 22 codes

Milon's Secret CastleUSA · 44 codes

Mi

Missile Tank (Ch) · 30 codes

Mission - ImpossibleUSA · 26 codes

Mission CobraUSA · 1 codes

Mission Impossible (USA, Europe) · 13 codes

MonopolyUSA · 30 codes

Monopoly (USA, France, Germany, Japan) · 21 codes

Monster in My PocketEUR · 27 codes

Monster in My Pocket (USA, Europe) · 7 codes

Monster PartyUSA · 44 codes

Monster Truck RallyUSA · 2 codes

Motor City PatrolUSA · 9 codes

Mo

MotorCity PatrolUSA · 5 codes

Mr. GimmickEUR · 25 codes

Ms. Pac-ManUSA · 9 codes

Ms. Pac-Man (Namco)USA · 36 codes

Muppet Adventure - Chaos at the CarnivalUSA · 10 codes

Mutant Virus, The - Crisis in a Computer WorldUSA · 20 codes

Mystery QuestUSA · 25 codes

Mystery World DizzyUSA · 3 codes

My

Myth Struggle (Ch) · 2 codes

NARCUSA · 81 codes

NES Open Tournament GolfUSA · 9 codes

NES Open Tournament Golf (USA, Europe) · 1 codes

NES Play Action FootballUSA · 16 codes

New Ghostbusters IIEUR · 11 codes

NFLUSA · 6 codes

Nigel Mansell's World Championship ChallengeUSA · 38 codes

Nigel Mansell's World Championship RacingUSA · 46 codes

Ni

Night Pearl · 3 codes

Nightmare on Elm Street, AUSA · 35 codes

NightshadeUSA · 19 codes

Ninja Crusaders · 45 codes