| Studio Möbius | DeveloperPublisher | |
| Studio Namaapa | Developer | |
| Studio Nanafushi | Developer | |
| Studio Neeco | Developer | |
| Studio Nevermore | Developer | |
| Studio OX | Developer | |
| Studio Offside | Developer | |
| Studio Oleomingus | Developer | |
| Studio Orphee | Developer | |
| Studio Outis | Developer | |
| Studio Panther | DeveloperPublisher | |
| Studio Pentori | Developer | |
| Studio Pico | DeveloperPublisher | |
| Studio Pix | Developer | |
| Studio Pixel | DeveloperPublisher | |
| Studio Pixel Punk | Developer | |
| Studio Polaris | Developer | |
| Studio Robin | Developer | |
| Studio Saizensen | DeveloperPublisher | |
| Studio Singing Crows | Developer | |
| Studio Snowspot | Developer | |
| Studio Softmov | Developer | |
| Studio Spacefarer | Developer | |
| Studio Sterneck | Developer | |
| Studio Stobie | Developer | |
| Studio Syro | Developer | |
| Studio T-REX | Developer | |
| Studio Tapioca | Developer | |
| Studio Tectorum | Developer | |
| Studio Thunderhorse | Developer | |
| Studio Turtledove | Developer | |
| Studio Twinkle | DeveloperPublisher | |
| Studio VeX | Developer | |
| Studio Vetea | Developer | |
| Studio Wildcard | DeveloperPublisher | |
| Studio Wonder Effect | DeveloperPublisher | |
| Studio Wumpus | DeveloperPublisher | |
| Studio Xehryn | Developer | |
| Studio Zan | Developer | |
| Studio Zero | Developer | |
| Studio Zevere | DeveloperPublisher | |
| Studio Zooka | Developer | |
| Studio de la Torre | DeveloperPublisher | |
| Studio e-go | Developer | |
| Studio e.go! | Developer | |
| Studio Élan | Developer | |
| Studio8ight | Developer | |
| Studio9 | DeveloperPublisher | |
| Studio90 | Developer | |
| Studio9KO | Publisher | |
| StudioDaeera | Developer | |
| StudioFG | DeveloperPublisher | |
| StudioMDHR | DeveloperPublisher | |
| StudioPoncho | Developer | |
| StudioSenpai | Developer | |
| StudioThunderbolt | Developer | |
| StudioVR | Developer | |
| StudioVorfall | Developer | |
| Studionum43 | Developer | |
| Studios Ch'in | Developer | |
| Studios Spero | Developer | |
| StudyMan99 | Developer | |
| StuffandThangs | Developer | |
| Stuffduck Software (The Shaw Brothers) | Developer | |
| Stuffed Wombat | Developer | |
| Stuffman | Developer | |
| StumpCricket | Developer | |
| Stumphead Games | Developer | |
| Stunlock Studios | DeveloperPublisher | |
| StunningGaming | Developer | |
| Stunt Puppy Entertainment | Developer | |
| StupidPawn | Developer | |
| Stupidipixel | Developer | |
| Stupidplusplus | Developer | |
| Stusse Games | Developer | |
| StyleKing | Developer | |
| Styrax | Developer | |
| StyrofoamBoots | Developer | |
| Stywox | Developer | |
| Stéphane F. | Developer | |
| Stéphane Picq | Developer | |
| Su Kızılağaç | Developer | |
| Su4enka | Developer | |
| SuBiScript | Developer | |
| SubLOGIC | Publisher | |
| SubSystemD | Developer | |
| SubZero Software | Developer | |
| SubZtep | Developer | |
| Subak | Developer | |
| Subak Soda Studios | Developer | |
| Subdued Software | Developer | |
| Subfrost Interactive | Developer | |
| Subhamoy Biswas | Developer | |
| Subliminal Games | Developer | |
| Sublogic | DeveloperPublisher | |
| Subsage | Developer | |
| Subset Games | DeveloperPublisher | |
| Subsino | Publisher | |
| Subsoap | Developer | |
| Substudios | Developer | |