Steam Deck games: S
- (square)Verified
- [Southern Fjords] Newspaper DayPlayable
- S-mailPlayable
- S.A.N.D.Y. - Beach CleanerPlayable
- S.F.77Playable
- S.O.L School Of LabyrinthPlayable
- S.O.N.A.R. - Submarine Operators Not Actually ReadyVerified
- S.P.A.T.Playable
- S.P.L.I.C.E.D.Playable
- s.p.l.i.tPlayable
- S.T.A.L.K.E.R.: Call of Prypiat - Enhanced EditionVerified
- S.T.A.L.K.E.R.: Clear Sky - Enhanced EditionVerified
- S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced EditionVerified
- S.U.M. - Slay Uncool MonstersVerified
- S.W.I.N.E. HD RemasterPlayable
- S4U: CITYPUNK 2011 AND LOVE PUNCHPlayable
- Sabbat of the WitchPlayable
- SableVerified
- Sable's GrimoireVerified
- Sable's Grimoire: A Dragon's TreasureVerified
- Sable's Grimoire: Man And ElfVerified
- SaborusVerified
- SabotrisPlayable
- Sabreurs - A Noble DuelVerified
- Sackboy™: A Big AdventureVerified
- Sacra Terra: Angelic NightPlayable
- Sacra Terra: Kiss of Death Collector’s EditionPlayable
- Sacre BleuVerified
- Sacred 2 RemasterPlayable
- Sacred 3Verified
- Sacred Almanac Traces of GreedPlayable
- Sacred CitadelPlayable
- Sacred Fire: A Role Playing GamePlayable
- Sacred GoldPlayable
- SacrificePlayable
- SACRIFICE VILLAINSPlayable
- SacrificioPlayable
- SAD RPG: A Social Anxiety Role Playing GamePlayable
- SAEKO: Giantess Dating SimPlayable
- SAELIGPlayable
- Safe CrackerPlayable
- Safe SquaresVerified
- Safecracker: The Ultimate Puzzle AdventurePlayable
- Safety First!Verified
- Saga & SeekerPlayable
- SaGa Emerald BeyondPlayable
- SaGa Frontier 2 RemasteredVerified
- SaGa Frontier RemasteredVerified
- Saga of the Moon PriestessVerified
- SaGa SCARLET GRACE: AMBITIONS™Verified
- SagebrushVerified
- SagradaPlayable
- SagresVerified
- Saihate StationPlayable
- Saiko no sutokaPlayable
- Saiko no sutoka no shikiPlayable
- Saikyo RobotsPlayable
- Sail ForthVerified
- Sail GirlPlayable
- Sail the SeasPlayable
- Sailaway IIIPlayable
- Sailing EraVerified
- Sailor’s Stories SolitairePlayable
- SailwindPlayable
- Saint Hazel's HorsepitalPlayable
- Saint KotarPlayable
- Saint Maker - Horror Visual NovelPlayable
- Saint of ChainsPlayable
- Saint Slayer: Spear of SacrilegeVerified
- SainthoodPlayable
- Saints RowVerified
- Saints Row 2Playable
- Saints Row IV: Re-ElectedPlayable
- Saints Row: The ThirdPlayable
- Saints Row®: The Third™ RemasteredPlayable
- Sakuna: Of Rice and RuinVerified
- Sakura AgentVerified
- Sakura AlienVerified
- Sakura Alien 2Verified
- Sakura Alien 3Verified
- Sakura AngelsVerified
- Sakura BattlePlayable
- Sakura BeachVerified
- Sakura Beach 2Verified
- Sakura ClickerVerified
- Sakura DungeonPlayable
- Sakura FantasyVerified
- Sakura Forest GirlsVerified
- Sakura Fox AdventureVerified
- Sakura GamerPlayable
- Sakura Gamer 2Verified
- Sakura GozenPlayable
- Sakura HimePlayable
- Sakura Hime 2Playable
- Sakura Hime 3Playable
- Sakura Hime 4Playable
- Sakura Hime 5Playable
- Sakura Hime 6Playable
- Sakura Isekai AdventurePlayable
- Sakura Knight 2Verified
- Sakura Knight 3Verified
- Sakura Magical GirlsVerified
- Sakura MirrorVerified
- Sakura MMOVerified
- Sakura MMO 2Verified
- Sakura MMO 3Playable
- Sakura MMO ExtraPlayable
- Sakura no Mori † DreamersVerified
- Sakura NovaVerified
- Sakura SadistPlayable
- Sakura SantaVerified
- Sakura Shrine GirlsVerified
- Sakura SpaceVerified
- Sakura SpiritPlayable
- Sakura SuccubusVerified
- Sakura Succubus 10Verified
- Sakura Succubus 2Verified
- Sakura Succubus 3Verified
- Sakura Succubus 4Verified
- Sakura Succubus 8Verified
- Sakura Succubus 9Verified
- Sakura Swim ClubVerified
- Sakuya Izayoi Gives You Advice And DabsVerified
- SaleblazersVerified
- Sally Can't SleepPlayable
- Sally Face - Episode OneVerified
- Sally's LawVerified
- Sally's Salon: Kiss & Make-UpPlayable
- Salome's KissVerified
- Saloon SimulatorPlayable
- Saloon Simulator: ProloguePlayable
- Salt 2: Shores of GoldVerified
- Salt and SacrificeVerified
- Salt and SanctuaryVerified
- Salting the EarthVerified
- Saltsea ChroniclesVerified
- Salty HoundsPlayable
- Salvage Shop SimulatorPlayable
- SALVOPlayable
- Sam & Max Hit the RoadPlayable
- Sam & Max Save the WorldVerified
- Sam & Max: Beyond Time and SpaceVerified
- Sam & Max: The Devil's PlayhouseVerified
- Samantha Swift and the Golden TouchPlayable
- Samawa IdlePlayable
- Samorost 2Verified
- Samorost 3Verified
- Samsara RoomVerified
- SamsonPlayable
- Samurai AceVerified
- Samurai BringerVerified
- Samurai GUNNVerified
- Samurai GUNN 2Verified
- SAMURAI MAIDENVerified
- SAMURAI SHODOWNVerified
- SAMURAI SHODOWN NEOGEO COLLECTIONVerified
- SAMURAI SHODOWN V SPECIAL / サムライスピリッツ零スペシャルPlayable
- Samurai SurvivorsVerified
- Samurai VandalismPlayable
- Samurai war era HunterPlayable
- SAMURAI WARRIORS 4 DXVerified
- Samurai: Ronin's PathPlayable
- Samurai's OdysseyPlayable
- SANABIPlayable
- SANAE's Sylphid BreezePlayable
- Sanator: Scarlet ScarfVerified
- Sanatorium - A Mental Asylum SimulatorVerified
- SancticidePlayable
- Sanctuary SagaPlayable
- SanctuaryRPG: Black EditionVerified
- SanctumPlayable
- Sanctum 2Verified
- Sanctum MagePlayable
- SAND LANDPlayable
- Sand: A Superfluous GamePlayable
- SAND: Raiders of SophiePlayable
- Sand:boxPlayable
- Sandbox AnythingPlayable
- Sands of AuraVerified
- Sands of HopePlayable
- Sands of SalzaarPlayable
- Sands Of SolarisVerified
- SandTable War: Three KingdomsPlayable
- Sandtrix+Verified
- SandustryPlayable
- SandwalkersPlayable
- Sandwich +1Playable
- Sandwich SimPlayable
- Sandwich SimulatorPlayable
- Sandwich SudokuPlayable
- Sandy's Great EscapePlayable
- SanfuPlayable
- SANGOKU XIANGQIPlayable
- Sanguo's Ambition 4 :Three KingdomsPlayable
- Sani Yang's LaboratoryPlayable
- SanitariumPlayable
- Sankaku Renai: Love Triangle TroubleVerified
- Santa Claus in Trouble (HD)Verified
- Santa RockstarPlayable
- Santa's Christmas SolitairePlayable
- Santa's Special DeliveryVerified
- Sap: School DaysPlayable
- Sapiens CraftPlayable
- Sapper boom!Verified
- Sarah's Adventure: Time TravelPlayable
- SaratogaPlayable
- SarcophagPlayable
- SarpedonPlayable
- SAS: Zombie Assault 4Verified
- Sashimi SlayerVerified
- Satan's puzzle 666Verified
- SATAZIUSPlayable
- Satellite engineerPlayable
- Satellite ReignPlayable
- Satellite RushPlayable
- SatisfactoryVerified
- Sato Killing Time Chat.exePlayable
- satryn deluxeVerified
- Saturday of Piercing ScreamsPlayable
- SaturnPlayable
- SaturnaliaVerified
- SATUSVerified
- SaurianPlayable
- Savage HalloweenVerified
- Savage LandsPlayable
- Savage: Ultimate Boss FightPlayable
- Savant - AscentPlayable
- Savant - Ascent REMIXPlayable
- SavaraVerified
- SAVEPlayable
- Save JesusPlayable
- Save me Mr Tako: Definitive EditionVerified
- Save My ScrapVerified
- Save One MorePlayable
- Save Room - Organization PuzzlePlayable
- Save Room - The MerchantPlayable
- Save the Dungeon!Playable
- Save the PlanetPlayable
- Save The WorldPlayable
- Saving Mrs. HinakoVerified
- Saving You From YourselfPlayable
- SaviorlessVerified
- Saviors of Sapphire Wings / Stranger of Sword City RevisitedPlayable
- Say No! MorePlayable
- Sayaka's AddictionVerified
- SAYONALAIKAPlayable
- Sayonara Umihara KawaseVerified
- Sayonara Wild HeartsVerified
- SBK™22Playable
- SC2VN - The eSports Visual NovelPlayable
- SCADPlayable
- ScalakVerified
- Scale the DepthsPlayable
- Scaling UpPlayable
- Scam LinePlayable
- Scam With Your FriendsPlayable
- Scamp: High Hat HavocVerified
- Scania Truck Driving SimulatorPlayable
- Scanner SombreVerified
- Scar of the Doll: A Psycho-Horror Story about the Mystery of an Older SisterVerified
- Scar-Lead SalvationPlayable
- Scare Girl 2Playable
- Scared CrowPlayable
- Scarlet Deer InnPlayable
- Scarlet Defiance: The Wall Between UsPlayable
- Scarlet HollowVerified
- Scarlet Hood and the Wicked WoodVerified
- Scarlet IdolPlayable
- SCARLET NEXUSVerified
- Scarlet SkipsVerified
- Scarlet TowerPlayable
- Scarlet's Haunted HotelPlayable
- ScarmondeVerified
- ScarQuestPlayable
- Scars AbovePlayable
- Scars of SummerVerified
- Scars of Summer: AfterPlayable
- Scary GamePlayable
- Scary Shadow Spot - Last FarewellPlayable
- ScauagePlayable
- Scavenger of DunominiVerified
- ScavlandVerified
- ScelestumPlayable
- Scene InvestigatorsPlayable
- Schedule IPlayable
- Schedule Store SimulatorPlayable
- Scheming Through The Zombie Apocalypse Ep2: CagedPlayable
- SCHiMVerified
- SchismPlayable
- Schizophrenia: The Last ShiftPlayable
- SchlossheldenVerified
- SchmaragonPlayable
- Scholar Adventure: Mystery of SilenceVerified
- Scholar of the Arcane ArtsPlayable
- Scholar's MateVerified
- Scholar's Mate - First MovePlayable
- School 666Playable
- School Cafeteria SimulatorPlayable
- School DaysPlayable
- School DaysPlayable
- School Ghost StoriesPlayable
- School HeroVerified
- School LabyrinthPlayable
- School of Magic: Deck & SlashPlayable
- School of Talent: SUZU-ROUTEPlayable
- SchoolBoy RunawayPlayable
- schoolLife 东洋中学之异闻录Playable
- Schrödinger's CallVerified
- Schrodinger's Cat BurglarVerified
- SCHROTT: Roguelike RacerPlayable
- SchwarzerblitzVerified
- Scions of FatePlayable
- Scirocco ThugsVerified
- SclashPlayable
- ScleraPlayable
- ScootPlayable
- ScooterFlowPlayable
- ScootXPlayable
- Score the FearPlayable
- ScornVerified
- Scott Pilgrim EXVerified
- Scott Pilgrim vs. The World™: The Game – Complete EditionPlayable
- Scott Whiskers in: the Search for Mr. FumbleclawPlayable
- Scott Whiskers: the Search for the Golden CatPlayable
- ScottsidePlayable
- Scourge Of War - GettysburgPlayable
- Scourge Of War - RemasteredPlayable
- Scourge: OutbreakPlayable
- ScourgeBringerVerified
- SCPPlayable
- SCP – Containment BreachPlayable
- SCP OperationsPlayable
- SCP StrategyPlayable
- SCP-9779-JPPlayable
- SCP: 5KPlayable
- SCP: AbhorrentPlayable
- SCP: BloodwaterPlayable
- SCP: Containment Breach MultiplayerPlayable
- SCP: Control ErrorVerified
- SCP: Doki Doki AnomalyPlayable
- SCP: Fragmented MindsPlayable
- SCP: LabratPlayable
- SCP: Nemesi - Alpha TestingPlayable
- SCP: ObserverPlayable
- SCP: Pale WeaverPlayable
- SCP: Secret LaboratoryPlayable
- ScrabdacklePlayable
- Scramble Knights OnlinePlayable
- Scramble: Battle of BritainPlayable
- Scrambled EggsPlayable
- Scrap DaddiesPlayable
- Scrap GardenVerified
- Scrap MechanicPlayable
- ScrapDownPlayable
- ScrapnautPlayable
- Scrappy CraftVerified
- Scratch ManVerified
- Scratch Off!Playable
- Scratch the TicketPlayable
- Scratch Tickets With Your Friends 🎰Playable
- Scream CollectorPlayable
- SCREAM NOTEPlayable
- SCREAM you LOSEPlayable
- Screamboat WilliePlayable
- ScreamerVerified
- Screaming HeadVerified
- Screaming In The Basement (2025)Playable
- Screaming NoppyVerified
- Screen CatPlayable
- ScreencheatPlayable
- Screeps: ArenaPlayable
- Screw DriversPlayable
- Scribble BotsPlayable
- SCRIBBLE HUNTPlayable
- Scribble It!Playable
- Scribblenauts UnlimitedPlayable
- Scribblenauts Unmasked: A DC Comics AdventurePlayable
- Scriptorium: Master of ManuscriptsPlayable
- Scritchy ScratchyVerified
- Scrubbin' TrubbleVerified
- ScrutinizedPlayable
- SCUFF(ED)Playable
- Scuffy GamePlayable
- Scurge: HiveVerified
- SD GUNDAM BATTLE ALLIANCEPlayable
- SDIESVerified
- Sea ChroniclesPlayable
- Sea FantasyVerified
- Sea of ChaosPlayable
- Sea of CraftPlayable
- Sea Of Radiation 2Playable
- Sea of SolitudePlayable
- Sea of Stars: Sunset EditionVerified
- Sea of SurvivorsVerified
- Sea of Thieves: 2026 EditionVerified
- Sea SaltVerified
- Sea Walker SagaPlayable
- SeaBedVerified
- SeablipPlayable
- Seafarer: The Ship SimPlayable
- Seal the RiftPlayable
- SealChain: Call of BloodPlayable
- Sealed Bite: ExtendedVerified
- Seals of the BygonePlayable
- SeaOrama: World of ShippingPlayable
- SEARCH ALL - SNAILSVerified
- SEARCH ALL - UFOPlayable
- SEARCH PARTY: Director's CutPlayable
- Searching For RestPlayable
- Seas of KahtaonePlayable
- Seaside RacingPlayable
- SEASON OF MYSTERY: The Cherry Blossom MurdersPlayable
- SEASON: A letter to the futureVerified
- Season's BeatingsPlayable
- Seasons after FallVerified
- Seasons of RoccoPlayable
- Seasons With FurryPlayable
- Sébastien Loeb Rally EVOPlayable
- Sebil EngineeringPlayable
- SeclusaPlayable
- Second ChancesPlayable
- Second SightPlayable
- Second StellarPlayable
- Second SunPlayable
- Seconds to SquarePlayable
- Secret AgentPlayable
- Secret Agent HDPlayable
- Secret Agent Wizard BoyVerified
- Secret Cats - HalloweenVerified
- Secret Cats - PiratesPlayable
- Secret Diaries - Royal WeddingPlayable
- Secret Diaries: Manage a ManorPlayable
- Secret Files 2: Puritas CordisPlayable
- Secret Files 3Playable
- Secret Files: Sam PetersPlayable
- Secret Files: TunguskaPlayable
- Secret GovernmentPlayable
- Secret Mission: The Forgotten IslandPlayable
- Secret Neighbor: Hello Neighbor MultiplayerPlayable
- Secret of ManaPlayable
- Secrets of Blackrock Manor - Escape RoomVerified
- Secrets of GrindeaVerified
- Secrets of Magic 3: Happy HalloweenPlayable
- Secrets of Magic: The Book of SpellsPlayable
- Secrets of MagoniaPlayable
- Secrets of the HeartPlayable
- Secrets of Velendar Castle - Escape RoomPlayable
- Secrets Under EcoPlayable
- Sect And MonstersPlayable
- Sect-MachinaVerified
- Section 13Verified
- Section GammaVerified
- Sector 13: Haunted WoodsPlayable
- Sector SixPlayable
- Sector SpacePlayable
- Sector UnknownPlayable
- SECTOR ZEROVerified
- Secure the SkiesPlayable
- Security 51Verified
- Security Booth: Director's CutPlayable
- SEDAP! A Culinary AdventurePlayable
- Seduce Me the OtomePlayable
- See No EvilPlayable
- Seed Hunter 猎源Playable
- Seed of EvilVerified
- Seed of HeroesPlayable
- Seed of Pandora: Legend of the Gaia TreePlayable
- Seed of the Dead: Sweet HomeVerified
- SeedlingsVerified
- Seeds of CalamityVerified
- Seeds of ResiliencePlayable
- Seedsow LullabyVerified
- SEEING THINGSPlayable
- Seek GirlVerified
- Seek Girl ⅡVerified
- Seek Girl ⅢVerified
- Seek Girl ⅣVerified
- Seek Girl ⅦPlayable
- Seek Girl:Fog ⅠPlayable
- Seek Or DiePlayable
- Seekers: EnlightenmentPlayable
- SeekOutPlayable
- SeenPlayable
- Seer's GambitPlayable
- Sees GamePlayable
- Sefirot ShardsPlayable
- SEGA FOOTBALL CLUB CHAMPIONSVerified
- SEIKEN-MANIFESTIAVerified
- Sekiro™: Shadows Die Twice - GOTY EditionVerified
- SektoriVerified
- SelacoVerified
- SelatriaVerified
- SELF MADE: Investment Life SimPlayable
- Self-PortraitPlayable
- Selfless HeroesPlayable
- SelflossPlayable
- SELINIVerified
- SemblanceVerified
- SenderVerified
- SengokuPlayable