| PC/MS-Windows pack. |  Age of Heroes - The Beginning Model 2173200 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Heroes VR Model 586080 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of History II Model 603850 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Irata Model 2110390 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Jura Model 1643820 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Legion Model 1551080 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Mythology - Extended Edition Model 266840 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Mythology EX - Tale of the Dragon Model 355960 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Omens Model 1016660 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Pixels Model 1077250 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Pyramids Model 2192750 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Reforging - The Freelands Model 1161830 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Rivals Model 597970 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Seas Model 725870 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Solitaire Model 997480 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Space Model 616780 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Steel - Recharge Model 421060 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Survival Model 369080 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of the Duel Model 2137990 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of the Sirens Model 2180500 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. |  Age of Undead Demo Model 2103700 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Undead Model 2012610 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Valakas - Vietnam Model 1823570 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Viking Conquest Model 792930 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Wonders - Planetfall Model 718850 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Wonders 2 - The Wizard's Throne Model 61510 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Wonders 4 Model 1669000 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Wonders III Model 226840 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Age of Wonders Model 61500 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agelast Model 2174620 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Ageless Demo Model 1316960 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Ageless Model 1210150 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agence Model 1308040 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agenda 21 Model 1016440 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agenda Model 513460 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agent 00111 Demo Model 1118210 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agent 01 Model 1932490 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agent 64 - Spies Never Die Demo Model 1591770 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agent 64 - Spies Never Die Model 1574480 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | Agent A - A puzzle in disguise Demo Model 999370 | 20?? | Steam Valve Corp. |
