| Subtle Boom | DeveloperPublisher | |
| Subtle Style | DeveloperPublisher | |
| Subtle Tea Games | Developer | |
| Suburb Games | Developer | |
| Suburb_Boone | Developer | |
| Suburban Studios | Developer | |
| Subvert Games | Developer | |
| Subway Software | Developer | |
| Subway Software (Steven Robson, David Whittaker) | Developer | |
| Succes | Publisher | |
| Success | DeveloperPublisher | |
| Success Corp. | DeveloperPublisher | |
| Success Corporation | DeveloperPublisher | |
| Success CorporationJP | Publisher | |
| Success JP | Publisher | |
| SuccessJP | Publisher | |
| SuccubiinHats | Developer | |
| Such_Nick | Developer | |
| Sucholudek | Developer | |
| Sucker Punch Productions | Developer | |
| SuckerFreeGames | Developer | |
| Sudden Event Studios | Developer | |
| Sudesh | Developer | |
| Suellen Hatakeyama (Suu) | Developer | |
| Sugar & Rockets | Developer | |
| Sugar & Rockets Inc. | Developer | |
| Sugar & Spice | Developer | |
| Sugar Beans | Developer | |
| Sugar Hyped | Developer | |
| Sugar Slip | Developer | |
| Sugar Star Games | Developer | |
| Sugar and Rockets | Developer | |
| SugarSores | Developer | |
| Sugary Spire | Developer | |
| Sugeeya | Developer | |
| Sugeiya Ltd. | Developer | |
| Sugeno | DeveloperPublisher | |
| Sugiru | Developer | |
| Suhail Habib | Developer | |
| SuicidePotatoes | Developer | |
| SuicideToro | Developer | |
| Suinotna | Developer | |
| Suits & Sandals | Developer | |
| Sujal | Developer | |
| Sukafu Team | Developer | |
| Sukeban Games | Developer | |
| Sukito Studios | Developer | |
| Sukiyomi | Developer | |
| SukkoyF | Developer | |
| Sukritact | Developer | |