- Cities in Motion: German Cities
- Cities in Motion: U.S. Cities
- Cities: VR
- Cities XL
- Cities XL 2011
- Cities XL 2012
- Cities XL Platinum
- Cities XXL
- Citizens: On Mars
- Citizens Unite!: Earth x Space
- Citroën C4 Robot
- City Block Builder
- City Bus
- City Bus Simulator 2010
- City Bus Simulator 2010: Regiobus Usedom
- City Eye
- City of Gangsters
- City of Murals
- City of Sinners and Saints
- City of Transformers
- City Patrol: Police
- CityBattle: Virtual Earth
- Cityconomy: Service for Your City
- Citystate 2
- Civil War 2
- Civil War 2: The Bloody Road South
- Civil War Battles: Campaign Antietam
- Civil War Battles: Campaign Chancellorsville
- Civil War: War Between the States
- Civilization Online
- Claire de Lune
- Clandestine
- Clash 2
- Classic Night
- Claustrophobia: The Downward Struggle
- Cleaner, The
- Clickr
- Cliff Empire
- Climb, The
- Climb to the Top of the Castle
- Clockwork Man, The
- Clones
- Clonk Rage
- Close Combat: Gateway to Caen
- Close Combat: Last Stand Arnhem
- Close Combat: Panthers in the Fog
- Close Combat: The Bloody First
- Close Combat: The Longest Day
- Close Combat: Wacht am Rhein
- Closing Shift, The
- Cloud Cutter
- Cloud Pirates
- Cloudbuilt
- Cloudnine
- Cloudrift
- Club, The
- Club Manager 2015
- Clueless: The Game
- Clumsys, The
- Coal Mining Simulator
- Coastline Flight Simulator
- Cobalt Core
- Cobi Treasure Deluxe
- Cocktail Mania
- Code of Honor 2: Conspiracy Island
- Code of Honor 3: Desperate Measures
- Code Rivals: Robot Programming Battle
- Codename: Agent Cat
- Codename: Eagle
- Codename Panzers: Cold War
- Codename: Wandering Sword
- Coffence
- Cogs
- Cold Contract
- Cold House
- Звезды: Холодные игрушки
- Cold War Era, The
- Cold Zero: No Mercy
- ColdSide
- Collapse
- Collapse: The Rage
- Collapsed
- Collector Thief
- Collider 2, The
- Colonial Conquest [II/2015]
- Colonies Online
- Colony Defender 2154
- Colony Ship: A Post-Earth Role Playing Game
- Colony Siege
- Color Assembler
- Color Symphony
- ColorBlend FX: Desaturation
- Colors of the Artifacts, The
- Colour of Murder, The
- Coma: Mortuary
- Comanche
- Combat Arms
- Combat Arms: Line of Sight
- Combat Command: The Matrix Edition
- Combat Mission: Afghanistan