| PC/MS-Windows pack. |  Abduction Episode 1 - Her Name Was Sarah Model 600360 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Aeterna - Rubra Plena Model 2285730 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Afterlife Model 1712700 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agony - Lords of Hell Model 1493430 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Air Combat MF Model 1114390 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Airport Renovator - Prologue Model 1770010 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Alaris Model 2099090 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Aliens - Colonial Marines Model 49540 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Android Simulator - Prologue Model 2025760 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Android Simulator Model 1891250 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Angel Wings - Endless Night Model 1714360 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Animal Kingdom - Cats Model 2331470 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Antimatter Model 1343010 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Ar-K - End Game Model 958910 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Arabia Palace Builder Model 1440110 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Arbitology - Dei Gratia Rex Model 1161020 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Area 51 - The 9/20 Massacre Model 1126140 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Arida - Rise of the Brave Model 1212030 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Armored Cavalry:Metalline Model 1416120 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Armoured Model 1816810 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Aron's Gift Model 1763660 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Asmr Food Experience - Prologue Model 2358590 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Asmr Food Experience Model 2066740 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Assemble Model 1508040 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Asterism Model 2187450 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Astrid - Reverie Model 2105850 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Astro & Luna Vs. The Entire Solar System Model 2137260 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Astrocleaners Model 1221810 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Audioclash Model 1658440 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Aurora - The Lost Medallion - The Cave Model 1088610 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Aussie Bogan Hero Model 2321520 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Average 4K Model 1828580 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Aya - The Tale of Tails Model 2366950 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | B-17 Flying Fortress - The Bloody 100th Model 1752530 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | B-17 Flying Fortress - The Mighty 8th Redux Model 2000800 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Backrooms - No Return Model 2216840 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Bagburnian Remote Model 952940 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Banana Hell - Mountain of Madness Model 2068520 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Bangkok Story - A Stray Dog Model 2121450 | 202? | Steam Valve Corp. |
| PC/MS-Windows pack. | Barold - Resurrection Model 2213430 | 202? | Steam Valve Corp. |
