| PC/MS-Windows pack. |  Mortal Fighter Model 2105370 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mortal Glory 2 Model 2216660 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mortal Kombat 1 Model 1971870 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mortal Kombat Kollection Model 205350 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mortal Meal Model 1690560 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Multiplayer Cowboys Model 2303720 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Multiplayer Military Model 2420230 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Multiplayer Shooter FPS Model 2364570 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Multiplayer Turtles Model 2423830 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Multiplayer Werewolves Model 2292940 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Multiverse Designer Model 1068500 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Multiworld Model 1593980 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Murder Is Game Over - Streaming Death Model 2291880 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mysteries of Shaola - The Princess Must Die Model 2145290 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mystery Case Files - The Last Resort Model 2394980 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Netorare Wife Yukiko - 20 Years After Marriage Model 2351810 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Nina Aquila - Legal Eagle, Chapter IV: Sacred Feathers Model 2124200 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Odyssée Numérique Model 2323260 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Pan'orama - Prologue Model 2231790 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Pan'orama Model 1730250 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Para Normal Commute Model 2264840 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Payday 3 Model 1272080 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Pinball FX Model 2328760 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Poly Jigsaw - Animals Model 2353820 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Poly Jigsaw - Predators Model 2441300 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Portal 2 - Community Edition Model 440000 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Pro Cycling Manager 2023 Model 2063610 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Queen's Brothel Model 1350250 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | R-Type Tactics I-II Cosmos Model 2169930 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Resident Evil 4 Model 2050650 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Retro Golden Age - Goody Model 1879530 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Retro Golden Age - Operation Alexandra Model 1798180 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Retro Style - Pixel Art Jigsaw Puzzles Model 2319080 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Retrowave '84 Model 2120300 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Rogue AI Simulator Model 1790370 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Roguebotica Model 1095560 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Roguevive Model 721780 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | RogueViz Collection Model 2271110 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Role of Remains Model 1525750 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Rome - The Mystery of the Chronovisor Model 2339650 | 2023 | Steam Valve Corp. |
