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- CUPID - A free to play Visual Novel
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- Custer's Revenge
- Custom Maid 3D 2
- Custom Robo
- Custom Robo Arena
- Cut the Rope
- Cut the Rope 2
- Cut the Rope: Experiments
- Cut the Rope: Magic
- Cut the Rope: Time Travel
- Cyanide & Happiness: Freakpocalypse
- Cybarian: The Time Travelling Warrior
- Cyber Hook
- Cyber Hunter
- Cyber Manhunt
- Cyber Police ESWAT
- Cyber Shadow
- Cyber Troopers Virtual-On
- Cyber Utopia
- Cyberdimension Neptunia: 4 Goddesses Online
- Cyberia
- Cyberia 2: Resurrection
- Cybernator
- Cybernoid II: The Revenge
- Cybernoid: The Fighting Machine
- Cyberpunk 2077
- Cycle 28
- Cygni: All Guns Blazing
- Cypher
- Cyraid
- Cytus
- Cytus II