| PC/MS-Windows pack. |  Aquarium Life Model 1277160 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Aquila Bird Flight Simulator Model 583530 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Arcana - Heat and Cold. Season 1 Model 1357830 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Aria Chronicle Model 1229900 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | ArtPulse Model 1229190 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Ashina - The Red Witch - Prologue Model 1259180 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Aster FPV Drone Simulator Model 1340020 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Astonishing Baseball 20 Model 1296200 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Astralode Freeminers Model 1273010 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Astronomia Model 1346630 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Astronomy Lab on PC Model 1405980 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Atelier Ayesha - The Alchemist of Dusk DX Model 1152300 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Atelier Escha & Logy - Alchemists of the Dusk Sky DX Model 1152310 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Atelier Shallie - Alchemists of the Dusk Sea DX Model 1152320 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Atelier Tia Model 1446480 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Audiowizards Model 1215350 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Aurora Model 1382380 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Aurora Model 1422610 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Aurora Model 1438440 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Ava - Dark History Model 1162320 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Avabel Online Model 1130700 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Axizon Labs - Zombies Model 1280310 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Azur Lane - Crosswave Model 1150080 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | B.D.K Model 1392070 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Babel - Break Your Destiny Model 1436980 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Baff F Model 1349290 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Ball At Work Model 1416730 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | BalloonBoyBob Model 1223110 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Balls Blaster VR Model 1222420 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Bamerang - Warm-Up Duel Model 1371810 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Banzai Escape 2 Model 1230990 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Bare Boob Brawlerz Visual Novel - Vol 01 Model 906560 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Barnfinders - The Pilot Model 1287260 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Batbarian - Testament of the Primordials Model 837460 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Battle Bears -1 Model 1482340 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Battle Bears. 1 - Zombies! Model 1487460 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Battle Mage - Card Caster Model 1172400 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Battlefield 1 Model 1238840 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Battlefield 3 Model 1238820 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Battlefield 4 Model 1238860 | 2020 | Steam Valve Corp. |
