| Sanctum 2 (Hands-On) | Coffee Stain | |
| Satellite Reign (Hands-On) | 5 Lives Studios | |
| Sense: A Cyberpunk Ghost Story | Suzaku | |
| Shantae: Half-Genie Hero (Hands-On) | WayForward | |
| Shardlight | Wadjet Eye | |
| ShellShock Live | kChamp Games | |
| Sheltered | Team17 | |
| Shoppe Keep 2 | Excalibur Games | |
| Skully | Modus Games | |
| Snake Pass | Sumo Digital | |
| Soul Axiom (Hands-On) | Wales | |
| Space Tyrant | Blue Wizard | |
| Spellsworn | Frogsong AB | |
| Star Nomad 2 | Huy Phan | |
| Star Renegades | Raw Fury Games | |
| StarDrive 2 (Hands-On) | Iceberg | |
| Stars in Shadow | Iceberg | |
| Starsector | Fractal Softworks | |
| State of Mind | Daedalic | |
| Staxel | Humble Bundle | |
| SteamDolls - Order of Chaos | Top Hat Studios | |
| SteamWorld Heist (Hands-On) | Image & Form | |
| Stifled | Gattai Games | |
| Stormworks: Build and Rescue | Green Man Gaming Publishing | |
| Streamline | Proletariat | |
| Subaeria | iLLOGIKA | |
| Sudden Strike 4 | Kalypso | |
| Sundered (Alpha) | Thunder Lotus | |
| Sundered (Beta) | Thunder Lotus | |
| Super Cane Magic ZERO | Studio Evil | |
| Superliminal | Pillow Castle | |