Game Boy Color

Mask of Zorro, TheUSA · 3 codes

Mask of Zorro, The (USA, Europe) (Xploder) · 1 codes

Mat Hoffman's Pro BMX (USA, Europe) · 10 codes

Matchbox Emergency Patrol (USA, Europe) · 1 codes

Maus, Die - Verrueckte Olympiade · 1 codes

Maya the Bee - Garden Adventures (Xploder)EUR · 3 codes

Mega Man Xtreme (USA, Europe) · 39 codes

Mega Man Xtreme (USA, Europe) (GB Compatible) · 73 codes

Mega Man Xtreme 2 (USA, Europe) · 51 codes

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Mega Memory Card (Saving Device) · 6 codes

Men in Black - The Series (USA, Europe) (SGB Enhanced) (GB Compatible) · 5 codes

Men in Black 2 - The Series (En,Fr,De)USA · 4 codes

Men in Black 2 - The Series (USA, Europe) (Xploder) · 2 codes

Merlin (En,Fr,De,Es,It,Nl)EUR · 1 codes

MetaFight EXJAP · 1 codes

MetaFight EX (Xploder)JAP · 1 codes

Metal Gear - Ghost BabelJAP · 37 codes

Metal Gear - Ghost Babel (Xploder)JAP · 38 codes

Metal Gear SolidUSA · 35 codes

Metal Gear Solid (USA, Europe) · 1 codes

Metal Gear Solid (USA, Europe) (Xploder) · 38 codes

Metal WalkerUSA · 8 codes

Metal Walker (GB Compatible)USA · 21 codes

Mia Hamm Soccer ShootoutUSA · 5 codes

Mia Hamm Soccer Shootout (Xploder)USA · 1 codes

Mickey's Racing Adventure (USA, Europe) (En,Fr,De,Es,It) · 1 codes

Mickey's Speedway USA (USA, Europe) · 1 codes

Mickey's Speedway USA (USA, Europe) (En,Fr,De,Es) · 1 codes

Micro Machines 1 and 2 - Twin Turbo (USA, Europe) · 5 codes

Micro Machines V3 (USA, Europe) · 4 codes

Micro Machines V3 (USA, Europe) (Xploder) · 2 codes

Microsoft - The 6 in 1 Puzzle Collection Entertainment PackUSA · 4 codes

Microsoft - The 6 in 1 Puzzle Collection Entertainment Pack (USA, Europe) · 4 codes

Microsoft - The Best of Entertainment PackUSA · 10 codes

Microsoft - The Best of Entertainment Pack (USA, Europe) · 5 codes

Midway presents Arcade Hits - Joust _ Defender (USA, Europe) (GB Compatible) · 4 codes

Millennium Winter SportsUSA · 2 codes

Missile Command (Rumble Version)USA · 4 codes

Missile Command (USA, Europe) · 8 codes

Missile Command (USA, Europe) (Xploder) · 2 codes

Mission - Impossible (En,Fr,Es)USA · 5 codes

Mission Impossible (USA, Europe) (Xploder) · 1 codes

Mobile GolfJAP · 1 codes

Monkey Puncher (SGB Enhanced) (GB Compatible)EUR · 17 codes

Monopoly (GB Compatible)USA · 7 codes

Monster Rancher Battle Card GB (SGB Enhanced) (GB Compatible)USA · 57 codes

Monster Rancher ExplorerUSA · 23 codes

Monster Rancher Explorer (Xploder)USA · 6 codes