| PC/MS-Windows pack. |  Colorcube Model 2066920 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Colordip Model 1677130 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Colorful Recolor Model 2052680 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Coloring Game - Girls Model 1290880 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Colors! Platform Model 1974320 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Comixxx Desires Model 1859500 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Comixxx Temptations Model 1924840 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Command Line Mazer Model 1881240 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Communist Clicker Model 1843920 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Community College Hero - Fun and Games Model 1782860 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Computer Physics Simulator 2023 Model 1828550 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Conductor - Creative Joy Engine Model 1518940 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Connected Hearts - Fortune Play Collector's Edition Model 1970210 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Connected Hearts - The Full Moon Curse Collector's Edition Model 1845480 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Construction Machines SIM - Bridges, buildings and constructor trucks simulator Model 1884470 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Construction Simulator Model 1273400 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. |  Contact (Free) Model 1868830 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cookie Clicker But You Type Model 2102810 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cool Kid Cody Model 1877710 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cosmic Monsters 2 - Enclaves Dawn Model 1872050 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cosmoteer - Starship Architect & Commander Model 799600 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cosplay Collection Model 2149070 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cosplay Love! Enchanted Princess Model 1770820 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Counterside Model 1976440 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Crisis Core – Final Fantasy VII Reunion Model 1608070 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Crossfire - Legion Model 1072190 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Crossroad of Worlds - 100 Doors Collector's Edition Model 2101360 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Crossroads - Escaping the Dark - Collector's Edition Model 2201340 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Crowalt - Traces of the Lost Colony Model 1269500 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Crysis 2 Remastered Model 2096600 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Crysis 3 Remastered Model 2096610 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cursed Fables - Twisted Tower Collector's Edition Model 2243660 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cursed House Model 1843550 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cursed Treasure 2 Ultimate Edition Model 1368850 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cursed Model 1896750 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cyberdunk Anime Edition Model 1575920 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Darold The Doomer - Psychedelic Lucid Dreams Model 1928010 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dead End Aegis - Gaiden Model 1839960 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dead End Aegis Model 1835830 | 2022 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dead Forest Model 1051350 | 2022 | Steam Valve Corp. |
