- Cities: VR
- Cities XL
- Cities XL 2012
- City Eye
- CityBattle: Virtual Earth
- Civilization Online
- Clandestine
- Climb, The
- Climb to the Top of the Castle
- Clones
- Clonk Rage
- Close Combat: Panthers in the Fog
- Close Combat: The Bloody First
- Cloud Cutter
- Cloud Pirates
- Cloudbuilt
- Cloudnine
- Club, The
- Cogs
- Collapse
- Color Symphony
- Coma: Mortuary
- Comanche
- Combat Arms
- Combat Arms: Line of Sight
- Combat Mission: Afghanistan
- Combat Mission: Shock Force - British Forces
- Combat Mission: Shock Force - NATO
- Command & Conquer 4: Tiberian Twilight
- Command & Conquer: Continuum
- Command & Conquer [II/2013]
- Command & Conquer: Red Alert 2
- Command & Conquer: Red Alert 3 - Uprising
- Command & Conquer Remastered Collection
- Command & Conquer: Renegade
- Command & Conquer: Renegade 2
- Command & Conquer: The First Decade
- Command & Conquer: Tiberian Incursion
- Command & Conquer: Tiberian Sun
- Command & Conquer: Yuri's Revenge
- Commander: Conquest of the Americas
- Commander: Napoleon at War
- Commandos 3: Destination Berlin
- Commandos: Behind Enemy Lines
- Company of Heroes Online
- Company of Heroes: Opposing Fronts
- Conflict: Denied Ops
- Confrontation
- Coniclysm
- Consortium
- Contagion
- Continent of the Ninth Seal
- Contract J.A.C.K.
- Core Blaze
- Core Decay
- Corgi Warlock
- Corpse of Discovery
- Corroded
- Corruption 2029
- Corsairs Legacy
- Cosmic Trip
- Cosplay Fetish Academy
- Cossacks 2: Napoleonic Wars
- Cossacks 3: Days of Brilliance
- Cossacks 3: Guardians of the Highlands
- Cossacks 3: Rise to Glory
- Cossacks 3: The Golden Age
- Cossacks: Back to War
- Cossacks: The Art of War
- Counter-Strike Nexon: Zombies
- Coyote's Tale: Fire and Water
- Craft of Gods
- Crasher
- Cricket Coach 2009
- Cricket Revolution
- CrimeCraft
- Crimson Desert
- Cross Fire
- CrossFire
- Crossfire: Legion
- Crossing the Line
- Crossroads
- Crowfall
- Crucible
- Crusaders: Thy Kingdom Come
- CryoFall
- Cryostasis: Sleep of Reason
- Cubicity
- Cultic: Chapter One
- Curse of the Deadwood
- Cycle: Frontier, The
- Da New Guys: Day of the Jackass
- Damned
- Dangerous High School Girls in Trouble!
- Dark Age of Camelot
- Dark Blood
- Dark Deception: Monsters & Mortals
- Dark Eye: Book of Heroes, The
- Dark Fall: Lost Souls