Steam Deck games: H
- .hack//G.U. Last RecodePlayable
- [HERROR] Gas Station CaseVerified
- H-RescuePlayable
- H-SNIPER: World War IIPlayable
- H.I.A: Horror Investigation AgencyPlayable
- HAAKVerified
- Habbo Hotel: OriginsPlayable
- HabroxiaVerified
- Habroxia 2Verified
- HachikanShogi Matta AriPlayable
- HachishakuPlayable
- Hachishakusama | 八尺様がいた夏休みVerified
- Hack 'n' SlashVerified
- Hack And ClimbPlayable
- Hack or Die!Verified
- Hack, Slash, LootVerified
- Hack.ingPlayable
- Hacked: The StreamerPlayable
- Hacker Evolution: UntoldPlayable
- Hacker SimulatorPlayable
- Hacker's JourneyPlayable
- HackHub - Ultimate Hacker SimulatorPlayable
- HackHub: Free TrialPlayable
- Hacking for HermannPlayable
- hackmudPlayable
- HacktagPlayable
- HackyPlayable
- HackyZackVerified
- Hadean TacticsVerified
- HadesVerified
- Hades IIVerified
- Hades' StarVerified
- Hadley's Run: A Starship SagaPlayable
- Haegemonia: Legions of IronPlayable
- HaeTae: GuardiansPlayable
- HaifaPlayable
- HaikiVerified
- Haiku, the RobotVerified
- Hail to the RainbowVerified
- HAINYA WORLDPlayable
- HAITENAI RPGPlayable
- Hakoniwa Explorer PlusVerified
- Hakuoki: Edo BlossomsPlayable
- Hakuoki: Kyoto WindsPlayable
- HalchemistPlayable
- Halcyon 6: Starbase CommanderVerified
- Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)Playable
- Halcyon DaysPlayable
- Halcyon Days at TaoyuanPlayable
- HALF DEAD 2Verified
- HALF DEAD 3Playable
- Half Minute Hero: The Second ComingVerified
- Half SwordPlayable
- HALF-BAKED GIRLSVerified
- Half-Earth SocialismPlayable
- Half-LifeVerified
- Half-Life 2Verified
- Half-Life 2: DeathmatchPlayable
- Half-Life Deathmatch: SourcePlayable
- Half-Life: A Place in the WestPlayable
- Half-Life: Blue ShiftPlayable
- Half-Life: Opposing ForcePlayable
- halfmoonPlayable
- Halftime HeroesVerified
- HalfwayPlayable
- Halloween ForeverPlayable
- Halloween MysteriesPlayable
- Halloween Night MahjongPlayable
- Halloween Riddles Mysterious GriddlersPlayable
- Halloween Stories: Black BookPlayable
- Halloween Stories: The Neglected Dead Collector's EditionPlayable
- Halloween Trouble 3: Match 3 PuzzlePlayable
- Halloween Trouble 4Playable
- Halls of TormentVerified
- Halls of Torment: PreludeVerified
- Halluci-Sabbat of KoishiPlayable
- Halo InfinitePlayable
- Halo Wars: Definitive EditionVerified
- Halo: Campaign EvolvedVerified
- Halo: Spartan AssaultPlayable
- Halo: Spartan StrikeVerified
- Halo: The Master Chief CollectionPlayable
- Halod's adventure timesVerified
- HAM: The GamePlayable
- Hamboy : AutoChess SurvivorPlayable
- Hamilton's Great AdventureVerified
- Hammer KidVerified
- HammerHelmVerified
- HammerwatchPlayable
- Hammerwatch Anniversary EditionPlayable
- Hammerwatch IIPlayable
- HamsterPlayable
- HamsterVerified
- Hamster Blitz!Verified
- Hamster CombatPlayable
- Hamster HunterVerified
- Hamster on RailsPlayable
- Hamster PlaygroundVerified
- Hamster ScramblePlayable
- HamsterdamPlayable
- HAMSTERMINDVerified
- Hand In HandVerified
- Hand of DoomPlayable
- Hand of FatePlayable
- Hand of Fate 2Verified
- Hand of Fate: HordesVerified
- Hand of HexesVerified
- Hand SimulatorPlayable
- Hand Simulator: ShooterPlayable
- Hand Simulator: SurvivalPlayable
- Handball Manager 2021Playable
- Handgun FootballPlayable
- HandmancersVerified
- Hands of Necromancy IIPlayable
- HandshakesVerified
- Handsome Me with 100 Girlfriends!Playable
- Handsome Mr. FrogVerified
- Handyman CorporationPlayable
- Handyman Corporation: ProloguePlayable
- Haneda GirlPlayable
- HANEHOLO!Playable
- Hangin' Off!Playable
- HANGMANPlayable
- Hangtime!Verified
- Hangul ShooterVerified
- Hank: Drowning On Dry LandVerified
- HansPlayable
- Happiness Drops!Playable
- Happy GameVerified
- Happy GuyPlayable
- Happy LabPlayable
- Happy Live,Show Up!Playable
- Happy New Year ClickerVerified
- Happy PuzzlePlayable
- Happy QuestPlayable
- Happy RoomPlayable
- HAPPY SAIN† SHEOLPlayable
- Happy SheepiesPlayable
- Happy WheelsPlayable
- Happy WordsVerified
- Happy's Humble Burger CultPlayable
- Happy's Humble Burger FarmVerified
- Haramimura: When a Wife Becomes a VillagerPlayable
- HarbingerPlayable
- Hard ChipPlayable
- Hard Reset Extended EditionPlayable
- Hard Reset ReduxPlayable
- Hard TimePlayable
- Hard Time IIIVerified
- Hard to Be a GodPlayable
- Hard Truck 2: King of the RoadPlayable
- Hard Truck Apocalypse / Ex MachinaPlayable
- Hard Truck Apocalypse: Rise Of Clans / Ex Machina: Meridian 113Playable
- Hard WestPlayable
- Hardcore CottagecorePlayable
- HARDCORE MECHAPlayable
- Hardhat WombatVerified
- Hardspace: ShipbreakerVerified
- Hare TriggerPlayable
- Harem in Another WorldPlayable
- HAREM！RANCH LIFEPlayable
- HaremKingdomVerified
- HaritiPlayable
- HarmoniaPlayable
- Harmonia Full HD EditionVerified
- Harmonic DepthsPlayable
- HARMONIC REFLECTIONSPlayable
- Harmony: The Fall of ReverieVerified
- Harmony's OdysseyVerified
- Harold HalibutVerified
- Harold's WalkVerified
- Harry Potter: Quidditch ChampionsVerified
- HARSH REIGNSPlayable
- Haruka Ao no Hanayome niVerified
- Harvest CafePlayable
- Harvest Days: My Dream FarmVerified
- Harvest HuntPlayable
- Harvest IslandPlayable
- Harvest Moon: Light of Hope Special EditionPlayable
- Harvest Moon: One WorldPlayable
- Harvest Moon: The Winds of AnthosPlayable
- Harvest Moon®: Echoes of TeradeaVerified
- Harvest Moon®: Home Sweet Home Special EditionVerified
- Harvest ScreamPlayable
- HARVESTELLAPlayable
- HarvesterPlayable
- Has-Been HeroesPlayable
- Hasbro Games™ Junior CollectionVerified
- Hasbro's BATTLESHIPPlayable
- HasteVerified
- Hate PlusPlayable
- Hatoful BoyfriendPlayable
- Hatoful Boyfriend: Holiday StarPlayable
- HatredPlayable
- Hats and Hand GrenadesVerified
- Hatsune Miku - The Planet Of Wonder And Fragments Of WishesVerified
- Hatsune Miku Connecting Puzzle TAMAGOTORI DeluxeVerified
- Hatsune Miku Logic Paint SVerified
- Hatsune Miku Logic Paint S+Verified
- Hatsune Miku: Project DIVA Mega Mix+Playable
- Hatsuyuki SakuraVerified
- Haulin' OatsPlayable
- Hauma - A Detective Noir StoryPlayable
- Hauma - A Detective Noir Story - PrologueVerified
- Haunt ChaserPlayable
- Haunt the House: TerrortownVerified
- Haunted Hell HousePlayable
- Haunted HotelPlayable
- Haunted Hotel: Charles Dexter Ward Collector's EditionPlayable
- Haunted Hotel: Lonely DreamPlayable
- Haunted Hotel: Lost Time Collector's EditionPlayable
- Haunted Hotel: Personal Nightmare Collector's EditionPlayable
- Haunted Hotel: Silent Waters Collector's EditionPlayable
- Haunted Hotel: The Axiom Butcher Collector's EditionPlayable
- Haunted Hotel: The Thirteenth Collector's EditionPlayable
- Haunted Hotel: The X Collector's EditionPlayable
- Haunted HousePlayable
- Haunted House 2Playable
- Haunted House RenovatorPlayable
- Haunted InvestigationPlayable
- Haunted LandsVerified
- Haunted Past: Realm of GhostsPlayable
- Haunted PropertyPlayable
- Haunted RecordPlayable
- Haunted Room : 205Playable
- HauntiiVerified
- HAUNTMATESPlayable
- Haus Of IrndrousPlayable
- Have a Nice DeathVerified
- HavenVerified
- Haven & HearthPlayable
- Haven ParkVerified
- Havocado: Ragdoll FighterPlayable
- HaydeePlayable
- Haydee 3Playable
- Hayo and the EmporiumPlayable
- Hazard LevelsPlayable
- Hazard PayVerified
- Hazel SkyVerified
- Hazelnut HexPlayable
- Hazing - Night ShiftPlayable
- Hazy MindPlayable
- HBD-RPGVerified
- He is ComingVerified
- He Who WatchesVerified
- Head's Adventures:chibichibiPlayable
- Headbangers: Rhythm RoyalePlayable
- Heading OutVerified
- HeadlandVerified
- HeadlanderVerified
- HeadLightPlayable
- Headliner: NoviNewsPlayable
- Headlong HuntPlayable
- Headquarters: World War IIPlayable
- Heads Up! Phones Down EditionPlayable
- Heads Will RollPlayable
- Heads Will Roll: DownfallPlayable
- Heads Will Roll: ReforgedPlayable
- HeadsnatchersVerified
- HealVerified
- Heal HitlerPlayable
- Healer's QuestPlayable
- Healing SpreePlayable
- Heard There Was A Chosen OnePlayable
- HEART ABYSSVerified
- Heart and CorePlayable
- Heart ClickerPlayable
- Heart Flipper: A House Flipper Dating SimVerified
- Heart of BattleVerified
- HEART of CROWN OnlinePlayable
- Heart of Crown PCPlayable
- Heart of GaiaPlayable
- Heart Of The AbyssPlayable
- Heart of the ForestVerified
- Heart of the MachineVerified
- Heart's Medicine - Hospital HeatPlayable
- Heart's Medicine - Season OnePlayable
- Heart&SlashVerified
- Heartbeat in ThailandPlayable
- HeartboundVerified
- Hearth and HamletPlayable
- HearthlandsPlayable
- Heartless & Dreadful : Return by 72 HoursVerified
- HeartopiaPlayable
- Heartreasure: Stellar JourneyVerified
- Hearts of Iron 2 CompletePlayable
- Hearts of Iron IVPlayable
- Heartspell: Horizon AcademyPlayable
- Heartwood HeroesPlayable
- Heartwood OnlinePlayable
- HeartwormVerified
- HeartZ: Co-Hope PuzzlesPlayable
- Heat DeathPlayable
- Heat Death: Survival TrainPlayable
- Heave HoVerified
- Heave Ho 2Verified
- Heaven Does Not RespondPlayable
- Heaven DustPlayable
- Heaven Dust 2Playable
- Heaven Forest NIGHTSPlayable
- Heaven Island - VR MMOPlayable
- HEAVEN SEEKER ――The Savior of This Cruel WorldPlayable
- Heaven Will Be MinePlayable
- Heaven's GravePlayable
- Heaven's Hope - Special EditionPlayable
- Heaven's VaultVerified
- Heavenly BodiesVerified
- Heavenly IslandVerified
- HeavenstraferPlayable
- HeavenworldPlayable
- Heavy BulletsPlayable
- Heavy BurdenPlayable
- Heavy Cargo - The Truck SimulatorPlayable
- Heavy DreamsPlayable
- Heavy Metal Death CanVerified
- Heavy RainVerified
- Heavy Weapon DeluxePlayable
- HEAVYDELICPlayable
- HEBEREKE Enjoy EditionPlayable
- HeckabombVerified
- Hector: Badge of Carnage - Full SeriesPlayable
- Hector: Episode 1Playable
- Hector: Episode 2Playable
- Hedon BloodritePlayable
- Hegemony III: Clash of the AncientsPlayable
- Heian City StoryVerified
- Heileen 3: New HorizonsPlayable
- Heirs of the KingsVerified
- Heist Kitty: Multiplayer Cat Simulator GamePlayable
- HeistfestPlayable
- Heldric - The legend of the shoemakerPlayable
- Helga the Viking WarriorPlayable
- Helga the Viking Warrior 2: Ivar's RevengePlayable
- Helheim HasslePlayable
- HELI 100Playable
- Heliborne CollectionPlayable
- Helicopter Gunship DEXPlayable
- Helicopter SimulatorPlayable
- helionautVerified
- HeliopediaPlayable
- HelixPlayable
- Helix: Descent N AscentVerified
- Hell ArchitectPlayable
- Hell BlastersVerified
- Hell BugPlayable
- Hell ClockPlayable
- Hell DeckPlayable
- Hell Dice GambitPlayable
- HELL GALAXYPlayable
- Hell is OthersPlayable
- Hell Let LoosePlayable
- Hell MaidenPlayable
- Hell MinersPlayable
- Hell of an OfficePlayable
- Hell PieVerified
- Hell SlayerPlayable
- Hell's 8th Avenue: Miori's Mysterious NotebookVerified
- Hellblade II: Senua’s SagaVerified
- Hellblade: Senua's SacrificeVerified
- HellBornPlayable
- HellboundVerified
- Hellboy Web of WyrdVerified
- Hellbreach: VegasPlayable
- HELLBREAKVerified
- HellbrellaVerified
- HELLCARDVerified
- HELLDIVERS™ 2Playable
- HELLDIVERS™ Dive Harder EditionPlayable
- HelldoradoPlayable
- HELLFRONT: HONEYMOONVerified
- HellFurnacePlayable
- HELLGATE: LondonPlayable
- HellgineersPlayable
- Hellish QuartVerified
- HELLMARTVerified
- Hello Charlotte EP3: Childhood's EndVerified
- Hello DuckPlayable
- Hello Engineer: Scrap Machines ConstructorPlayable
- Hello GoodboyVerified
- Hello Guest: Hello Neighbor 2 pre-alphaPlayable
- Hello Kitty and Sanrio Friends RacingPlayable
- Hello Kitty Island AdventureVerified
- Hello Neighbor 2Playable
- Hello Neighbor 2 Alpha 1Playable
- Hello Neighbor Alpha 1Playable
- Hello Neighbor Alpha 3Playable
- Hello Neighbor Alpha 4Playable
- Hello, GoodbyePlayable
- HellpointPlayable
- HellscreenPlayable
- HellSignPlayable
- Hellsinker.Playable
- HellslavePlayable
- HelltakerPlayable
- HelltownPlayable
- HelmetmanPlayable
- HelpPlayable
- Help Me Remember, Satori-sama!Playable
- Help Will Come TomorrowPlayable
- Help! I'm Turning Into A Mermaid!Verified
- HelskatePlayable
- HelvetiiVerified
- Henry HalfheadVerified
- Henry Mosse and the Wormhole ConspiracyPlayable
- Hentai Vs FurriesPlayable
- Her Lie I Tried To BelievePlayable
- Her Lie I Tried To Believe - Extended EditionPlayable
- Her Love, Like PoisonVerified
- Her Majesty's ShipPlayable
- Her StoryPlayable
- HER TREES : PUZZLE DREAMVerified
- HER TREES : THE PUZZLE HOUSEVerified
- Her WorldPlayable
- Herald of HavocPlayable
- HerdlingVerified
- Here Be DragonsVerified
- Here Comes Niko!Playable
- Here Comes The SwarmPlayable
- Here Goes MuffinVerified
- Heretic + HexenVerified
- Heretic's ForkPlayable
- HereticalPlayable
- Heritage - A Dragon's TaleVerified
- Hermes: Sibyls' ProphecyPlayable
- Hermes: The Fury of MegaeraPlayable
- Hermes: Tricks of ThanatosPlayable
- Hermit and PigPlayable
- HeroPlayable
- Hero and Daughter+Verified
- HERO DEFENSEPlayable
- Hero Emblems IIVerified
- Hero ExpressPlayable
- Hero GenerationsPlayable
- Hero in an All-Forgiving Fantasy World RPGPlayable
- Hero LodgePlayable
- Hero must die. againVerified
- Hero of FateVerified
- Hero of Fate:ProloguePlayable
- Hero of ManyPlayable
- Hero of Not Our TimePlayable
- Hero of SunsetVerified
- Hero of the DemonPlayable
- Hero of the KingdomVerified
- Hero of the Kingdom: The Lost Tales 1Verified
- Hero of the Kingdom: The Lost Tales 3Verified
- Hero PackPlayable
- Hero RealmsPlayable
- Hero SiegePlayable
- Hero TalePlayable
- Hero Zero - Multiplayer RPGPlayable
- Hero's Adventure: Road to PassionVerified
- Hero's HourVerified
- Hero's LandPlayable
- Hero's QuestVerified
- Hero's SpiritVerified
- Hero's SurvivalPlayable
- Hero's WarbandPlayable
- Heroes Against TimeVerified
- Heroes and Test of SuccubusVerified
- Heroes For Hire - Guild Micromanagement SimulatorPlayable
- Heroes Must DiePlayable
- Heroes Of Loot: Gauntlet Of PowerVerified
- Heroes of a Broken LandPlayable
- Heroes of Eternal QuestPlayable
- Heroes of HammerwatchPlayable
- Heroes of Hammerwatch IIPlayable
- Heroes of Havoc: Idle AdventuresPlayable
- Heroes of Hellas 3: AthensPlayable
- Heroes Of Hellas 4: Birth Of LegendPlayable
- Heroes of Magic & CardsPlayable
- Heroes of Magic and SteelPlayable
- Heroes of Might and Magic: Olden EraPlayable
- Heroes of Mount DragonVerified
- Heroes of NormandiePlayable
- Heroes of Science and FictionVerified
- Heroes of Shadow GuardVerified
- Heroes of SpyriaPlayable
- Heroes Of The DarkPlayable
- Heroes of the Seven IslandsPlayable
- Heroes of the Three Kingdoms 3Playable
- Heroes of the Three Kingdoms 6Playable
- Heroes of the Three Kingdoms 7Playable
- Heroes of ValorPlayable
- Heroes Rise: The Hero ProjectVerified
- Heroes Rise: The ProdigyPlayable
- Heroes WantedVerified
- Heroes' Vow: Three KingdomsPlayable
- Heroes® of Might & Magic® III - HD EditionPlayable
- Heroic Kingdom: OriginsPlayable
- Heroic Songs: the Remix!Playable
- Heroic Sports Football : Enhanced EditionPlayable
- Heroine Anthem Zero -Sacrifice-Playable
- Heroine Anthem Zero 2 : Scalescars OathVerified
- Heroine's Quest: The Herald of RagnarokPlayable
- Heroines of Swords & SpellsPlayable
- Heroines of Swords & Spells 2Playable
- Heróis de Noname - Acesso AntecipadoPlayable
- HerolandPlayable
- Heros and Monsters: Idle IncrementalPlayable
- HexPlayable