Commodore 64 - C
- Cabal
- Camelot Warriors
- Captain Dynamo
- Captain Kidd
- Captain Starlight
- Carnage
- Castle of Terror
- Castlevania
- Cataball
- Catalypse
- Catch 22
- Cauldron 2
- Cave Fighter
- Cavelon
- Caveman
- Caverns of Eriban
- Caverns of Eribian
- Caverns of Khafka
- Centauri Alliance
- Challenge of the Gobots
- Chameleon
- Champions of Krynn
- Chase H.Q.
- Cheapskate
- Chicago 30s
- Chiller
- Chimera
- China Miner
- Choplifter
- Chopper Hunt
- Chubby Gristle
- Chuckie Egg
- Chuckie Egg 2
- Cisco Heat
- CJ in the USA
- CJ's Elephant Antics
- Class A Fighter
- Cliff Hanger
- Cliffhanger
- Clik Clak
- Clowns
- Cobra
- Code Hunter
- Cohen's Tower
- Coldrouns
- Combat
- Combat School
- Comic Bakery
- Commando
- Commando 86
- Congo Bongo
- Continental Circus
- Cool Croc Twins
- Cosmic Causeway
- Count
- Count Duckula 2
- Cracker's Revenge
- Crazy Cars
- Crazy Caveman
- Crazy Comets
- Crazy Kong
- Creatures
- Creatures 2 - Torture Trouble
- Crillion 2
- Crisis Mountain
- Critical Mass
- Crossfire
- Crystal Castles
- Crystal Castles 2
- Crystal Kingdom Dizzy
- Curse of the Azure Bonds
- Cuthbert in Space
- Cuthbert in the Jungle
- Cyberdyne Warrior
- Cybernoid
- Cybernoid 2
- Cyberworld
- Cyborg
- Cylu