NES

Cobra Command (USA, Japan) · 5 codes

Cobra TriangleUSA · 29 codes

Cobra Triangle (USA, Europe) · 10 codes

Code Name - ViperUSA · 71 codes

CommandoUSA · 16 codes

ConanUSA · 21 codes

ConflictUSA · 3 codes

Conquest of the Crystal PalaceUSA · 39 codes

ContraUSA · 67 codes

Contra (Rumbles) · 1 codes

Contra ForceUSA · 32 codes

Cool WorldUSA · 36 codes

Cowboy KidUSA · 22 codes

CrackoutEUR · 2 codes

Crackout (USA, Europe) · 1 codes

Crash 'n' the Boys - Street ChallengeUSA · 34 codes

Cross Fire (USA, Japan) · 1 codes

CrossFireUSA · 4 codes

Crystal MinesUSA · 1 codes

CrystalisUSA · 132 codes

Crystalis (U) (Prototype)USA · 20 codes

Cyber Stadium Series - Base WarsUSA · 24 codes

CyberballUSA · 22 codes

Cybernoid - The Fighting MachineUSA · 50 codes

D-

D-Cat 100-in-1 · 3 codes

D+

D+pad Hero 2 · 5 codes

Da Hua Xi You (Ch) · 6 codes

Danny Sullivan's Indy HeatUSA · 18 codes

Danny Sullivan's Indy Heat (USA, Europe) · 5 codes

DarkmanUSA · 18 codes

Darkman (USA, Europe) · 2 codes

Darkwing DuckUSA · 35 codes

Darkwing Duck (USA, Europe) · 10 codes

Dash Galaxy in the Alien AsylumUSA · 68 codes

David Crane's A Boy and His Blob - Trouble on BloboloniaUSA · 60 codes

David Crane's A Boy and His Blob - Trouble on Blobolonia (USA, Europe) · 41 codes

Day Dreamin' DaveyUSA · 42 codes

Days of ThunderUSA · 23 codes

Days of Thunder (USA, Europe) · 6 codes

Deadly TowersUSA · 30 codes

Death RaceUSA · 3 codes

Defender IIUSA · 21 codes

Defender of the CrownUSA · 64 codes

Defenders of Dynatron CityUSA · 8 codes

Deja VuUSA · 23 codes

Demon SwordUSA · 59 codes

Desert CommanderUSA · 20 codes

Destination EarthstarUSA · 20 codes