| Strive4Power | Developer | |
| StrivenStudio | Developer | |
| Strix Studio | Developer | |
| StrixPixels | Developer | |
| Stroboskop | DeveloperPublisher | |
| StrodoGames | Developer | |
| StronkTenk | Developer | |
| Strook | Developer | |
| Stroomkabel | Developer | |
| Struct9 | Developer | |
| Strung Up Starlight | Developer | |
| Strupf | Developer | |
| Stu Maxwell | Developer | |
| Stuart C Ball | Developer | |
| Stuart Foley Games | Developer | |
| Stuart Gregg | Developer | |
| Stuart James Fotheringham | Developer | |
| Stuart Middleton | Developer | |
| Stuart P. Middleton | Developer | |
| Stuart Robertson | Developer | |
| Stuart Ruecroft | Developer | |
| Stuart Smith | Developer | |
| Stuart Whittaker | Developer | |
| StuartKent | Developer | |
| Stubbings | Developer | |
| Stubbs | Developer | |
| Stuck in Attic | DeveloperPublisher | |
| Stuckne1 | Developer | |
| Studica Solutions | Developer | |
| Studio 11508 | Developer | |
| Studio 3 | DeveloperPublisher | |
| Studio 30 | Developer | |
| Studio 33 | Developer | |
| Studio 3DO | DeveloperPublisher | |
| Studio 3PAL | Developer | |
| Studio 694 | Developer | |
| Studio Acadius | Developer | |
| Studio Aesthesia | Developer | |
| Studio Alemni | Developer | |
| Studio Alex | Developer | |
| Studio Altair | Developer | |
| Studio Angel | Developer | |
| Studio Anjin | Developer | |
| Studio Archcraft | Developer | |
| Studio Attic Salt | Developer | |
| Studio Avanto | Developer | |
| Studio B (Stuart Cargill, Russell Comte) | Developer | |
| Studio B-Room | DeveloperPublisher | |
| Studio Backpack | Developer | |
| Studio Black Flag | Developer | |
| Studio Cacti | Developer | |
| Studio Calamari | Developer | |
| Studio Canvas | Publisher | |
| Studio Centauri | Developer | |
| Studio Chiffon | Developer | |
| Studio CloudScape | Developer | |
| Studio Coattails | Developer | |
| Studio Craft Development | DeveloperPublisher | |
| Studio Cypher | Developer | |
| Studio DO Games | Publisher | |
| Studio Daimon | Developer | |
| Studio E | Developer | |
| Studio Elan | Developer | |
| Studio Elfriede | Developer | |
| Studio Erikson | Developer | |
| Studio Eris | DeveloperPublisher | |
| Studio Evil | DeveloperPublisher | |
| Studio F-Sharp | Publisher | |
| Studio Fish | Developer | |
| Studio Fizbin | Developer | |
| Studio Fondue | Developer | |
| Studio GEN | Developer | |
| Studio Gauntlet | Developer | |
| Studio Ghibli | Developer | |
| Studio Gigante | Developer | |
| Studio Gomp | Developer | |
| Studio HG | Developer | |
| Studio Happy Bee | Developer | |
| Studio Heart Engine | Developer | |
| Studio Inferno | Developer | |
| Studio Jandora | Developer | |
| Studio Jellybit | Developer | |
| Studio K2 | DeveloperPublisher | |
| Studio Kamii | Developer | |
| Studio Klondike | Developer | |
| Studio Koba | Developer | |
| Studio Koprol | Developer | |
| Studio Kraken | Developer | |
| Studio Kraze | Developer | |
| Studio LZRain | Developer | |
| Studio Largo | Developer | |
| Studio Line | Developer | |
| Studio Liverpool | Developer | |
| Studio MDHR | DeveloperPublisher | |
| Studio Mebius | DeveloperPublisher | |
| Studio Mercato | Developer | |
| Studio Milk | DeveloperPublisher | |
| Studio Miris | DeveloperPublisher | |
| Studio Mothmen | Developer | |
| Studio Mutiny | Developer | |
| 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 | |