- Conarium – v1.0.0.3
- Conception II: Children of the Seven Stars
- Confabulation – v1.0.1
- Conglomerate 451 – v1.5.0
- Congo
- Connection: The Nightmare Within
- Conquistadorio – v22.101
- CONSCRIPT: Officer Edition – v1.0.0.2 + 3 DLCs/Bonuses
- CONSORTIUM Remastered – v1.0.1
- Constructor HD – v25.04.2018 + All DLCs
- Constructor Plus
- CONTORTED
- Contra: Operation Galuga
- Contra: Rogue Corps
- Contraband Police – v10.4.8
- CONTROL: Ultimate Edition – v1.12 (Steam) + 2 DLCs + Unlockers
- CONVERGENCE: A League of Legends Story – Version a7e37f30e71
- Converter – v1.25
- Conway: Disappearance at Dahlia View
- Cook, Serve, Delicious! 3?!
- Cookie Clicker – v2.04
- Cookie Cutter
- Cooking Companions
- Cooking Simulator – v6.0.1 + 6 DLCs
- Copycat – Game & OST
- Coral Island: OST Bundle – v1.1-1226 + 6 DLCs/Bonuses + Windows 7 Fix
- Corbid! A Colorful Adventure + Bonus Soundtrack
- Coreborn: Supporter Bundle – v1.0.52.26724 + DLC + Windows 7 Fix
- Coromon: Deluxe Edition – v1.1.13 + 2 Bonus Soundtracks
- Corpse Keeper – v1.0 (Release)
- Corpse Party (2021) – x86/x64
- Corpse Party: Blood Drive
- Corruption 2029 – v1.03 (Build 13541267)
- Cosmonautica: A Space Trading Adventure
- Cosmotroid, v1.1.4
- Cossacks 3 – v1.0.0.46 (Update 3)
- COTTON REBOOT!
- COTTOn Rock’n’Roll -SUPERLATIVE NIGHT DREAMS-, v1.05
- Countryballs: Modern Ballfare – v4.69 (Release)
- Crab God: Supporter Edition, v1.0.24 + Bonus Content
- Crackdown 3
- Crackdown 3: Ultimate Edition, v1.0.3162.2 + All DLCs + Multiplayer
- Crash Bandicoot 4: It’s About Time – Steam Build 9629143
- Crash Bandicoot N. Sane Trilogy
- Crash Drive 3 – v4886.2
- Crashed Lander: Steam Version
- Crazy Machines 3
- Creaks + Hotfix (Build 5311171)
- Creature Lab – v2.0.2
- CREATURES + Windows 7 Fix