| PC/MS-Windows pack. |  Call of Duty - Modern Warfare Remastered Model 393080 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Call of Duty - WWII Model 476600 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Carlos III Y La Difusión De La Antigüedad Model 590440 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Casino Slot Machines Model 769150 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Castaway Home Designer Model 656560 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Castle Explorer Model 531780 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Castles Model 666660 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | CG - The Seven Virus Knights Model 753240 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chaos Code - New Sign of Catastrophe Model 536560 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chernobyl - Terrorist Attack Model 546810 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chess3D Model 599670 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chinese Paladin - Sword and Fairy 6 Model 696360 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chinese Paladin - Sword and Fairy Model 695630 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chocolate Makes You Happy 2 Model 764560 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Christmas Stories - A Christmas Carol Collector's Edition Model 757030 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chroma Lab Model 587470 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chromatic Model 660070 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Chronicles of Cyberpunk Model 742470 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cinderella Escape 2 Revenge Model 710030 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cinderella Phenomenon Model 568770 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Citadale - The Legends Trilogy Model 670410 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | City Builder Model 764550 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | City of Ages Model 688930 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Civil War - 1861 Model 540230 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Civil War - 1862 Model 532890 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Civil War - 1863 Model 436270 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Civil War - 1864 Model 699860 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Civil War - 1865 Model 620630 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Civil War - Gettysburg Model 665440 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Clad in Iron - Gulf of Mexico 1864 Model 693450 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Clad in Iron - Philippines 1898 Model 712970 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Clarent Saga - Tactics Model 709670 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Code 7 - A Story-Driven Hacking Adventure Model 650570 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. |  Code 7 - Episode 0 - Allocation Model 650710 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cognizant Protocol Model 664440 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Colonial Defence Force Starfighter VR Model 433190 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Colorcode Model 671750 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Command - Chains of War Model 614130 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Command Ops 2 Model 521800 | 2017 | Steam Valve Corp. |
| PC/MS-Windows pack. | Community Garden Model 692530 | 2017 | Steam Valve Corp. |
