| PC/MS-Windows pack. |  King War Model 2332980 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | King's Reign Model 1697870 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Land of Chaos Online II - Revolution Model 981870 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Land of Viewers Model 1994550 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Land of Zombies Model 2371260 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Landfall Archives Model 2353760 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Lands of XON Model 2147560 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Laruaville 1 Model 2375430 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Laruaville 4 Model 2219930 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Last Monarch - Prologue Model 2171220 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Last Soul Model 1566040 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Last Souls Model 1792360 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Last Stand - Reborn Model 899230 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Last Stand Model 2112610 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Last Stop Model 2327980 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Lawnmower Game - Find Trump Model 2288770 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Lawnmower Game - UFO Chase Model 2263390 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Lawnmower Game - Zombies Model 2321870 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Learn Japanese Model 2275980 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Left Alone - Rebirth Model 1576640 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Legendary Hoplite - Ajax's Trial Model 2422080 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Legendary Knight Model 1857120 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Like a Dragon - Ishin! Model 1805480 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Loop Model 2346490 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Loop Model 2365200 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Lost Alone Ultimate Model 2341330 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Lost Dream - Darkness Model 2310760 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mama Die and Retry Model 2211800 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mammon - Devil Help Model 1726100 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Man Without Organs Model 1935340 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mana Fortress Model 2338550 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mana Launcher Model 1570940 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mana Valley Model 1983360 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mega Man Battle Network Legacy Collection Vol. 1 Model 1798010 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mega Man Battle Network Legacy Collection Vol. 2 Model 1798020 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Microcosmum 2 Model 1486140 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Might & Magic - Clash of Heroes - Definitive Edition Model 2213300 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Minecraft Legends Model 1928870 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mocap Fusion VR Model 1540000 | 2023 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mocaverse Model 2324000 | 2023 | Steam Valve Corp. |
