| Seb Woodland | Developer | |
| SebP | Developer | |
| Seba Games Dev | Developer | |
| Seba Labo | Developer | |
| SebaGamesDev | Developer | |
| Sebadst | Developer | |
| Sebagamedev | Developer | |
| Sebagamesdev | Developer | |
| Sebajuste | Developer | |
| SebasDev | Developer | |
| SebasRez | Developer | |
| Sebastian | Developer | |
| Sebastian Biala-Learmonth | Developer | |
| Sebastian Caron | Developer | |
| Sebastian Lague | Developer | |
| Sebastian Martinez | Developer | |
| Sebastian Scaini | Developer | |
| Sebastien Vermeulen | Developer | |
| Second Dimension Games | Developer | |
| Second Dimension R&T, LLC | Developer | |
| Second Garage | Developer | |
| Second Maze | Developer | |
| Second Order | DeveloperPublisher | |
| Second Shrine | Developer | |
| Second Step Studios | Developer | |
| Secret Base | Developer | |
| Secret Exit | DeveloperPublisher | |
| Secret Foxfire | Developer | |
| Secret Level | Developer | |
| Secret Stash Games | Publisher | |
| Secret Tunnel | Developer | |
| Secret Tunnel Entertainment | DeveloperPublisher | |
| SecretBasment | Developer | |
| SecretJuice1 | Developer | |
| SecretPocketCat | Developer | |
| Section 3 | Developer | |
| SectorCodec | Developer | |
| Sectordub | Developer | |
| Sedge | Developer | |
| Sedgwick2K | Developer | |
| Seed Interactive | Developer | |
| Seed Studios | Developer | |
| Seed by Seed | DeveloperPublisher | |
| Seed9 Entertainment | DeveloperPublisher | |
| SeedBolt Studios | Developer | |
| SeedOflemon | Developer | |
| SeedStudios | Developer | |
| Seeds of Love | Developer | |
| Seemingly Pointless | Developer | |
| Seere | Developer | |