| Stunt GP (2001) | 454,236 | 469 |
| Stunt Granny (2024) | 132,578 | 5 |
| Stunt Island (1992) | 1,636,401 | 29 |
| Stunt Kids (1992) | 20,780 | 43 |
| Stunt Kite Party (2019) | 856,134 | 108 |
| Stunt Legends (2022) | 4,063,434 | 184 |
| Stunt Paradise (2024) | 1,961,928 | 664 |
| Stunt Race FX (1994) | 4,302,960 | 1,211 |
| Stunt Racer 64 (2000) | 414,047 | 174 |
| Stunt Xpress (2025) | 427 | 9 |
| STUNTBOOST (2026) | 0 | 0 |
| Stuntfest (201) | 47,940,954 | 351 |
| Stuntman (2002) | 23,170,406 | 1,195 |
| Stuntman Seymour (1992) | 13,204 | 24 |
| Stuntman: Ignition (2007) | 6,529,696 | 1,306 |
| Stunts (1990) | 3,397,617 | 1,392 |
| Stunts Contest Extreme Cars (2022) | 12 | 1 |
| Stupid Invaders (2000) | 1,921,227 | 371 |
| Stupid Raft Battle Simulator (2017) | 10,357,669 | 66 |
| Stupid Space Shooter (2024) | 0 | 0 |
| Sturmwind (2013) | 571,248 | 309 |
| STUX.net (2024) | 0 | 0 |
| Stygian: Outer Gods (2025) | 1,403,551 | 780 |
| Stygian: Reign of the Old Ones (2019) | 1,873,116 | 1,634 |
| Style Lab: Fashion Design (2010) | 2,542 | 4 |
| Style Lab: Jewelry Design (2009) | 4,695 | 21 |
| Style Lab: Makeover (2009) | 2,596 | 3 |
| Style Savvy (2008) | 16,725,593 | 629 |
| Style Savvy: Fashion Forward (2015) | 9,208,213 | 975 |
| Style Savvy: Styling Star (2017) | 6,678,033 | 662 |
| Style Savvy: Trendsetters (2012) | 4,546,687 | 760 |
| Stylish Girls (2023) | 54,476 | 64 |
| Stylish Sprint (2011) | 34,465 | 20 |
| Styx (1983) | 965,795 | 661 |
| Styx: Blades of Greed (2026) | 13,246 | 78 |
| Styx: Master of Shadows (2014) | 18,733,213 | 16,411 |
| Styx: Shards of Darkness (2017) | 24,470,947 | 12,428 |
| Su Hack (2018) | 0 | 0 |
| Su-27 Flanker (1995) | 456,048 | 80 |
| SU42: Hired Gun (2025) | 0 | 0 |
| Sub Battle Simulator (1987) | 6,050 | 12 |
| Sub Chase Online (2021) | 0 | 0 |
| Sub Command (2001) | 80,399 | 88 |
| Sub Culture (1997) | 2,983,834 | 228 |
| SUB FOUR -the uncle (2018) | 0 | 0 |
| Sub Hunt (1982) | 7,293 | 44 |
| Sub Hunter (2008) | 14,351 | 44 |
| Sub Optimal Co. (2026) | 0 | 0 |
| Sub Rebellion (2002) | 159,239 | 158 |
| Sub Rosa (2021) | 22,379,229 | 480 |
| Sub Terra Draconis (2019) | 8 | 1 |
| Sub-Terrania (1994) | 82,026 | 221 |
| Sub-Verge (2025) | 0 | 0 |
| Subacuatic (2009) | 1,561 | 12 |
| Subaeria (2015) | 130,979 | 77 |
| SubaraCity (2015) | 79,758 | 57 |
| Subbuteo (1990) | 245,931 | 159 |
| Subcube (2019) | 485 | 5 |
| SubDivide (2020) | 499 | 6 |
| Subdivision Infinity DX (2017) | 226,436 | 229 |
| Subject 13 (2015) | 324,945 | 423 |
| Subject: Relictus (2021) | 0 | 0 |
| Sublevel Zero Redux (2015) | 585,909 | 305 |
| Subliminal Realms: Call of Atis (2017) | 18,096 | 59 |
| Subliminal Realms: The Masterpiece (2015) | 53,605 | 63 |
| Sublimity (2024) | 52,068 | 25 |
| Submachine 10: the Exit (2015) | 104,292 | 112 |
| Submachine 1: The Basement (2005) | 1,191,749 | 143 |
| Submachine 2: The Lighthouse (2006) | 139,139 | 67 |
| Submachine 3: The Loop (2006) | 15,352 | 52 |
| Submachine 4: The Lab (2007) | 119,307 | 65 |
| Submachine 5: The Root (2008) | 50,503 | 45 |
| Submachine 7: The Core (2010) | 372,803 | 41 |
| Submachine 8: The Plan (2012) | 120,362 | 38 |
| Submachine 9: The Temple (2014) | 193,630 | 56 |
