| PC/MS-Windows pack. |  Cybercube battle Model 1431620 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cyberemo 2007 Model 848530 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Cybernetica - Fallen City Model 1432930 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | CyberOps Prologue Model 1308870 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Data mining 8 Model 1326330 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dead Space 3 Model 1238060 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Digital Dungeon Tiles Model 1275970 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Disaster Report 4 - Summer Memories Model 1060210 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Don't Be Afraid - The First Toy Model 1311250 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Don't Crash - The Political Game Model 1389270 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Don't Crash - The Zombie Game Model 1469000 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Doom & Destiny Worlds Model 953690 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dota2nobu Model 1421160 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Draft Day Sports - College Football 2020 Model 1225550 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Draft Day Sports - Pro Basketball 2021 Model 1445810 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Draft Day Sports - Pro Football 2021 Model 1392030 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dragon Age - Inquisition Model 1222690 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dragon Age II Model 1238040 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dragon Marked For Death Model 1149440 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dragon Quest XI S - Echoes of an Elusive Age – Definitive Edition Model 1295510 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dragon Spirits - Prologue Model 1363490 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dragonball Z - Kakarot Model 851850 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | DragonClash Model 1126300 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Dungeon Warriors Model 1240530 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Electro Ride Prologue Model 1301990 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Element X Model 1361120 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Evolution Model 1423030 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Eye of the Beholder Model 1425330 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fairytale Solitaire - Witch Charms Model 1164310 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fallen Model 1197870 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. |  FallNation - Alpha Experience Model 1310640 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fantastic Contraption Classic 1 & 2 Model 1363690 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fantasy Friends Model 1376950 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fantasy General II - Prologue Model 1286480 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fantasy Gladiators Model 1377370 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fantasy Tavern Sextet - Vol.1 New World Days Model 1372830 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Far Eastern Federal University Virtual Expo Model 1309550 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fatal Evidence - Art of Murder Collector's Edition Model 1406610 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fatal Evidence - The Missing Collector's Edition Model 1269180 | 2020 | Steam Valve Corp. |
| PC/MS-Windows pack. | Fate Arena Model 1248650 | 2020 | Steam Valve Corp. |
