| Starsphere | Developer | |
| Starsphere Interactive | Developer | |
| Starter | Developer | |
| Startreming Games | Developer | |
| Startrix | Developer | |
| Starven | Developer | |
| Starwave | DeveloperPublisher | |
| Stas Korotaev | Developer | |
| Stas Pisarev | Developer | |
| Stas's ports | Developer | |
| StasRV | Developer | |
| Stasma | Developer | |
| StasysMusial | Developer | |
| StateOff | Developer | |
| Stately Snail | Developer | |
| Static Modz | Developer | |
| Staticka | Developer | |
| Status Games | Publisher | |
| Stave Studios | DeveloperPublisher | |
| Stavros Skamagkis | Developer | |
| Stay Retro | Developer | |
| StayAwakeGames | Developer | |
| Ste Cork | Developer | |
| Ste Pickford | Developer | |
| Ste's Project | Developer | |
| SteDL89 | Developer | |
| Steaky | Developer | |
| Stealtha (Woof) | Developer | |
| Stealthgun | Developer | |
| Stealthix | Developer | |
| Steamberry Studio | Developer | |
| SteamedBunnies | Developer | |
| Steampunk_Spoon | Developer | |
| Steamy Wet Hat | Developer | |
| Steel Arts Software | DeveloperPublisher | |
| Steel City Software Engineers | Developer | |
| Steel Crate | DeveloperPublisher | |
| Steel Crate Games | DeveloperPublisher | |
| Steel Mantis | Developer | |
| Steel Monkeys | Developer | |
| Steel Peak Games | Developer | |
| Steel Wool | Publisher | |
| Steel Wool Games | DeveloperPublisher | |
| Steel Wool Studios | Developer | |
| SteelArtsSoftware | Developer | |
| SteelRaven7 | Developer | |
| Steel_Dev | Developer | |
| Steeley | Developer | |
| Steelkrill Studio | Developer | |
| Steelnox | Developer | |
| Steelshark | Developer | |
| Steenslando | Developer | |
| Stef Pinto | Developer | |
| Stefan | Developer | |
| Stefan Buba | Developer | |
| Stefan Devai | Developer | |
| Stefan Heineke and Karsten Finger | Developer | |
| Stefan Richings | Developer | |
| Stefan Vo | Developer | |
| Stefan Vogt | Developer | |
| Stefan Walker | Developer | |
| Stefanie Leitch | Developer | |
| Stefano Cagnani | Developer | |
| Stefano Caporale | Developer | |
| Stefano Zanobi | Developer | |
| StefanoRonco | Developer | |
| Stefenism | Developer | |
| Steffen Gerlach | Developer | |
| Steffo | Developer | |
| SteffoSpieler | Developer | |
| Steg Game Dev | Developer | |
| Stegersaurus | Developer | |
| Stegobubbles | Developer | |
| Stegosoft | Developer | |
| Stegosoft Games | Developer | |
| Stelex Software | Developer | |
| SteliosWinters | Developer | |
| Stella | Developer | |
| Stella Circle | Developer | |
| StellaFoxxie | Developer | |
| Stellar Advent | Developer | |
| Stellar Circle | Developer | |
| Stellar Door Games | Developer | |
| Stellar Entertainment | DeveloperPublisher | |
| Stellar Entertainment Software | Publisher | |
| Stellar Jay Studios | DeveloperPublisher | |
| Stellar Jockeys | Developer | |
| Stellar Stone | Developer | |
| Stellar Twelve | Developer | |
| Stellet | Developer | |
| Stello Hexis | Developer | |
| Stelvlen | Developer | |
| Stemat | Developer | |
| Stenblood | Developer | |
| Stending | Developer | |
| StepUpFactory | Developer | |
| Stepford | Developer | |
| Steph | Developer | |
| Stephane Picq | Developer | |
| Stephanie Stevens | Developer | |