- Curse of the Past (Alien Brut 6)
- Curse of the Ravenstone
- Curse of the Red Eyed Witch
- Curse of the Snow Dragon
- Cursed Ones
- Cursed Planet
- Curveball Year Two: That Which Does Not Dream
- Curved Space to Corsair
- Custodian
- Cut Off
- Cutting Down Fred: A Buckey the Space Pirate Story
- CV
- CVC Veri a Guide to the Epic of the Martian Empire
- Cyan
- Cyber Circus
- Cyber Cristo
- Cyber Invasion
- Cyber Pensées
- Cyber Rogues
- Cyber Shogun Revolution
- Cyber Souls
- Cyber Souls
- Cyber Thoughts
- Cyberaser
- CyberChrist
- Cyberevolution Aftermath I: Hercules 500
- Cyberevolution VIII: The Revolt
- Cyberfunk!
- Cybergenesis
- Cyberhug.Me (Hacktivist Cyberwars For Human Rights)
- Cyberworld
- CyberWorld 1.0: Mind Ripper
- CyberWorld 2.0: House of Nightmares
- CyberWorld 3.0: Evil Intentions
- CyberWorld 4.0: The Secrets of Yonderwood
- CyberWorld 5.0: Burning London
- CyberWorld 6.0: Anonymous
- CyberWorld 7.0: Bunker 7
- Cyborg Dreams: The Mind of Mine
- Cyborg Fever
- Cyborg Mermaid's Song
- Cyborg on the Run
- Cyborg Rebellion
- Cyborg Seduction
- Cyborg's Secret Baby
- Cycle of Fire
- Cycling to Asylum
- Cyclus van de Schaduwen: midden
- Cycrongs, Saga de Zero
- Cydonia 6
- Cydonia Rising
- Cyfiawn: Vindicate
- Cyfrak
- Cyfrak #2 Antywirus
- Cygnus 5 - The Complete Trilogy
- Cyn
- Cynella's Gift
- Cypher
- Cytonic
- Cytress Vee
- Cántico por Leibowitz