- Sinn Studio Inc.
- Stuffed Castle Studios
- SmokinSkull
- Samuel Manier
- Suomi-Peli
- Sim-plistic
- Sim-plistic Studios
- Saucer Software
- Stardog Games
- Spooky Star
- Silver Legends
- Sherman3D
- SUNSET GAMES
- SPECTRUM GAMES
- 上海骆拓信息科技有限公司
- SUPERMEGAQUEST INC.
- SEROSOO
- Stw Projects
- Sierra Lee
- Scott Lowe
- Secret Exit Ltd.
- Sep Reds
- STEAKSTEAK Games
- santasco.com