| Slow Seer | Developer | |
| SlowNibbler | Developer | |
| SlowSavitar | Developer | |
| SlowTom | Developer | |
| Slowed Minds | Developer | |
| Slowglass (Manuel Dominguez Zaragoza, Alberto Perez Torres, Pablo Toledo Cota) | Developer | |
| Slowpoke | Developer | |
| Slowpokes.Design | Developer | |
| Sloyd | Developer | |
| Slug Disco | Developer | |
| Sluggy | Developer | |
| SlugyTinky Entertainment | Developer | |
| SlurpeeThief | Developer | |
| SlurpyTurnip | Developer | |
| Slushy_ | Developer | |
| SluttySlug77 | Developer | |
| SlyBalto | Developer | |
| SlyLord | Developer | |
| Slyfincleton | Developer | |
| Slyka | Developer | |
| Slyon Studios | DeveloperPublisher | |
| Slyonics | Developer | |
| Slyse | Developer | |
| SmSholom | Developer | |
| Smac Games | Developer | |
| Smack Down Productions | Developer | |
| Smackdown Productions | Developer | |
| Smaex | Developer | |
| Small Rockets | DeveloperPublisher | |
| Small Scope Studio | Developer | |
| Small is Beautiful | Developer | |
| SmallBu | Developer | |
| SmallChickenSun | Developer | |
| SmallFolk | Developer | |
| SmallPhil | Developer | |
| SmallTestAccount | Developer | |
| Smallstudio | Developer | |
| Smally Mouse | Developer | |
| Smart Bomb Interactive | Developer | |
| Smart Dog | Developer | |
| Smart Dog Games | Developer | |
| Smart Egg Software | Developer | |
| Smart Egg Software (Nigel Brooks, Said Hassan, Ross Harris) | Developer | |
| Smart Egg Software (Ron Harris, Nigel Brooks, Said Hassan, Ross Harris) | Developer | |
| Smart Potatoe | Developer | |
| SmartWizard | Developer | |
| Smartdog | Developer | |
| Smarter Games | Developer | |
| Smartphone Labs | Developer | |
| Smash Cooper | Developer | |
| SmashArtist | Developer | |
| SmashRiot | Developer | |
| Smashatron | Developer | |
| SmashedCrabStudio | Developer | |
| Smashing Pixels | Developer | |
| Smaxx | Developer | |
| Smcmax | Developer | |
| Smeeki | Developer | |
| SmeiCom | Publisher | |
| SmellyFrog | Developer | |
| Smile Axe | DeveloperPublisher | |
| Smile Soft | Publisher | |
| SmileBoom | DeveloperPublisher | |
| SmileStudios | Developer | |
| Smilebit | DeveloperPublisher | |
| Smilegate | Developer | |
| Smilesoft | Publisher | |
| Smiley Demon Games | Developer | |
| Smiley Wolfe | Developer | |
| Smiling Bag | Developer | |
| Smiling Buddha Games | DeveloperPublisher | |
| Smiling Dragon RPG Studios | Developer | |
| SmilingRider | Developer | |
| Smilodon | Developer | |
| SmithManC | Developer | |
| Smithn10 | Developer | |
| Smixbob | Developer | |
| Smn Mhmdy | Developer | |
| SmoLife | Developer | |
| SmoggyChips | Developer | |
| Smoke Fumus | Developer | |
| SmokeAndAsh | Developer | |
| SmokeSeller | Developer | |
| SmokeSomeFrogs | Developer | |
| Smokeyocity | Developer | |
| Smokin' Guns Productions | Developer | |
| Smoking Car Productions | Developer | |
| Smoking Gun Interactive | Developer | |
| Smoking Guns Production | Developer | |
| Smoking Wolf | Developer | |
| SmokyChambers | Developer | |
| Smol Beans Studio | Developer | |
| SmoothBrainDev | Developer | |
| SmoothCriminals | Developer | |
| Smore Hammer | Developer | |
| Smowete | Developer | |
| Smud Studios | Developer | |
| Smudged Cat Games | Developer | |
| Smumbo | Developer | |
| Snacking On! Software | Publisher | |
| Snagultoof | Developer | |
| Snail Game | Developer | |
| Snail Rhymer | Developer | |
| SnailSpace Games | Developer | |
| Snailovitch | Developer | |
| Snails Animation | Publisher | |
| Snails Arcade | Developer | |
| Snake Marmalade Studios | Developer | |
| SnakeSqueaker | Developer | |
| Snap Finger Click | DeveloperPublisher | |
| Snap Games | Developer | |
| SnapDragon Games | Developer | |
| Snapdragon Games | Developer | |
| Snapkick Studios | Developer | |
| Snapman | Developer | |
| SnappishStew | Developer | |
| Snappy Sloth | Developer | |
| Snapshot Games | DeveloperPublisher | |
| SnapstringGames | Developer | |
| Snatcho | Developer | |
| Snaylo | Developer | |
| Snazy Snake Studios | Developer | |
| Snazziful | Developer | |
| Sneaky Bastards | Developer | |
| Sneaky Pooch Studios | Developer | |
| Sneaky Sloth Studios | Developer | |
| SnedHlepPls | Developer | |
| SnekFriends | Developer | |
| SnepShark | Developer | |
| SnickSnack | Developer | |
| Sniffelur | Developer | |
| Snikkabo | Developer | |
| Snilebit | Developer | |
| Snipman | Developer | |
| Snipper Joey | Developer | |
| Snood World | Publisher | |
| Snoother | Developer | |
| Snoozy Kazoo | Developer | |
| Snophysh | Developer | |
| Snorkelhead | Developer | |
| Snorry0815 | Developer | |
| Snotax | Developer | |
| SnoutUp | Developer | |
| SnoutUp Games | Developer | |
| Snow | Developer | |
| Snow Day Software | DeveloperPublisher | |
| Snow Fox | Developer | |
| Snow Lion Entertainment | Developer | |
| SnowCito | Developer | |
| SnowOwl | Developer | |