Observation, Observer: System Redux, Occult, Occupy Mars: Prologue (2020), Occupy Mars: The Game, Ocean's Heart, Oceanhorn: Monster of Uncharted Seas, Octodad: Dadliest Catch, Oddsparks: An Automation Adventure, Oddworld: Abe's Exoddus®, Oddworld: Abe's Oddysee®, Oddworld: Munch's Oddysee, Oddworld: New 'n' Tasty, Oddworld: Stranger's Wrath HD, Of Blades & Tails, Offroad Horizons: Arcade Rock Crawling, Offspring Fling!, Ogu and the Secret Forest, Oh...Sir! The Hollywood Roast, OK/NORMAL, Okami HD, Okinawa Rush, Old Man's Journey, Old Retro Shooter, Old School Musical, Old School RuneScape, Old Skies, Olympia Rising, Omega Strike, Omensight: Definitive Edition, Omno, OMON Simulator, OMORI, On A Roll 3D, On My Own, Once Human, Once in Yaissor, ONE PIECE ODYSSEY, ONE PIECE World Seeker, One Step From Eden, OneShot, OneShot: World Machine Edition, Only Climb: Better Together, Only Up: With Friends, Onmyoji, Ooblets, Open Roads, Open World Game: the Open World Game, Operation Warcade VR, Operation: Tango, Operation: Tango - Friend Pass, OPUS: Echo of Starsong - Full Bloom Edition, OPUS: Rocket of Whispers, OPUS: The Day We Found Earth, Orake Classic, Orbo's Odyssey, ORCS, Orcs Must Die! 2, Orcs Must Die! 3, Orion Trail, ORION: Prelude, Orwell: Ignorance is Strength, Orwell: Keeping an Eye On You, OS Omega: Retro Shooter, OshiRabu: Waifus Over Husbandos, Osiris: New Dawn, Osteya, Otaku's Adventure, Otaku's Fantasy, Other Worlds India, Our End of the World, Our Love Will Grow, Out Of Hands, Out of Ore, Out of Reach, Out There Somewhere, Out There: Ω Edition, OUTBRK, Outcast - Second Contact, Outcast 1.1, Outer Wilds, Outland, Outlast, Outlast 2, Outlaws of the Old West, Outpath, OUTRIDERS, Overcast - Walden and the Werewolf, Overdungeon, Overture, Owlboy, Oxenfree, OXENFREE II: Lost Signals, PAC-MAN WORLD Re-PAC, Pacific Drive, Pacify, Pajama Sam: No Need to Hide When It's Dark Outside, Paladins®, Paleo Pines, Palia, Palworld, Pampas & Selene: The Maze of Demons, Pandemic 1993, PANELKI, PANICORE, Pantheon: Rise of the Fallen, Panty Party, Panzer Dragoon: Remake, Panzermadels: Tank Dating Simulator, Paper Bride, Paper Dolls 2 纸人贰, Paper Dolls: Original / 纸人, Paper Sorcerer, Papers, Please, Papo & Yo, Paradigm, Paradise Killer, Paradise Lost, PARANORMASIGHT: The Seven Mysteries of Honjo, Paratopic, PARQUET, PARTICLE MACE, Party Hard 2, Patch Quest, Path of Exile, Path of Exile 2, Path of Kung Fu, Pathfinder: Kingmaker — Enhanced Plus Edition, Pathfinder: Wrath of the Righteous - Enhanced Edition, Pathologic 2, Pathologic Classic HD, Pathway, Pavel Repin's Collection, PAYDAY 3, PEAK, Peaks of Yore, Peekaboo, Pentiment, Penumbra Overture, Penumbra: Black Plague Gold Edition, Perfect Gold - Yuri Visual Novel, Persona 3 Portable, Persona 3 Reload, Persona® 5 Strikers, Pesterquest, PewDiePie: Legend of the Brofist, Phantasmagoria, Phantom Abyss, Phoenix Wright: Ace Attorney Trilogy, Phoenotopia: Awakening, PickCrafter, Pig Eat Ball, PIGGY: Hunt, Pikuniku, PILGRIM, Pilgrims, Pilot Brothers, Pine, Pinkman, Pinstripe, PixARK, Pixel Arcade Legacy, Pixel Dungeon, Pixel Heroes: Byte & Magic, Pixel Piracy, Pixel Privateers, Pixel Ripped 1978: An Atari Adventure, Pixel Ripped 1989, Pixel Ripped 1995, Pixel Strike 3D, Pixel Survivors : Roguelike, Pixel Worlds: MMO Sandbox, Planescape: Torment: Enhanced Edition, Planet Centauri, Planet Coaster, Planet Explorers, Planet Nomads, Planet of Lana, Planet of the Eyes, Planet RIX-13, planetarian HD, Platform 8, Please, Don't Touch Anything 3D, Plebby Quest: The Crusades, Pocket Kingdom, Pocket Mirror ~ GoldenerTraum, Pocket Penguin DX ( ポケットペンギン): A Retro Style Adventure, Pogostuck: Rage With Your Friends, Poi, Polarity, Police Quest™ Collection, Pompom, PONCHO, Poppy Playtime, POPUCOM, Porradaria 2: Pagode of the Night, Portal 2, Portal Fantasy, Portal Knights, Ports of Call Classic, POSTAL 2, POSTAL 4: No Regerts, Potion Permit, Powernaut VANGARDT, PowerSlave Exhumed, Praey for the Gods, PRAGMATA, Prey, Primordia, Prince of Persia The Lost Crown, Prince of Persia: The Forgotten Sands™, Prince of Persia: The Two Thrones™, Prince of Persia: Warrior Within™, Prince of Persia®: The Sands of Time, Princess Remedy in a World of Hurt, Princess&Blade, Prison Simulator, Prodeus, Prodigal, PRODUCER 2021, project BLARI, Project Explore, Project Winter, Promise Mascot Agency, Pronty, Propnight, Prospector: The First Contract, Proteus, Prototype 2, Prototype™, Pseudoregalia, Psionic Awake, Psycho Patrol R, Psychonauts 2, Psychopomp GOLD, PUBG: BATTLEGROUNDS, Pukan Bye Bye, PULSAR: Lost Colony, Pumpkin Jack, Punch Club 2: Fast Forward, Purgatory, PUSS!, Putt-Putt® Joins the Parade, Puzzle Agent, Puzzle Box, Puzzle Pirates, Q-YO Blaster, Q.U.B.E: Director's Cut, Q.U.B.E. 2, Qbik, Qora, Queen's Wish: The Conqueror, Quern - Undying Thoughts, Quest for Glory 1-5, Quest for Infamy, Quest Hunter, Quest of Dungeons, QUICKERFLAK, Rabbit and Steel, Rabi-Ribi, Radical Heights, Raft, Rage Wars, Raging Loop, RAID: World War II, Rain World, Rampage Knights, Randal's Monday, Ratchet & Clank: Rift Apart, Ratopia, RATSHAKER™, Ravenswatch, Rayman Raving Rabbids™, Rayman® Legends, Rayman® Origins, Re:Legend, Ready or Not, Realm of Ink, Realm of the Mad God Exalt, Realms of Magic, realMyst: Masterpiece Edition, Rebel Galaxy, Rebellion GODSOUL: Awakening, Rec Room, Recursed, Red Dead Online, Red Dead Redemption 2, Redfall, REDO!, Refind Self: The Personality Test Game, Regenesis Arcade Lite, Regions Of Ruin, Reign Of Kings, Reigns, REKA, REKKR: Sunken Land, Remember Me, REMNANT II®, Remnant: From the Ashes, Remnants of Naezith, Remothered: Tormented Fathers, Renowned Explorers: International Society, Repetendium, Replay - VHS is not dead, Replica, Resident Evil, Resident Evil 0, Resident Evil 4, Resident Evil 4 (2005), Resident Evil 5, Resident Evil 6, Resident Evil 7 Biohazard, Resident Evil Requiem, Resident Evil Revelations, Resident Evil Revelations 2, Resist the succubus—The end of the female Knight, Resolutiion, Resonance, Retro Abyss : Last Wish Of The Game, Retro City Rampage™ DX, Retro Classix: Gate of Doom, Retro Classix: Night Slashers, Retro Classix: Wizard Fire, Retro Endurance 8bit, Retro Game Crunch, Retro Golden Age - Goody, Retro Golden Age - Operation Alexandra, Retro Horror Story, Retro Machina, Retro Miami, Retro Mystery Club Vol.1: The Ise-Shima Case, Retro Mystery Club Vol.2: The Beppu Case, Retro Racer, Retro Rally, Retro Rockets, Retro RPG Online 2, Retro Runner, Retro Short Game, Retro Snake Adventures, RETRO-PIXEL COLOR PALETTE: Color by Number, RetroRealms Arcade, Retrowave World, Return of the Obra Dinn, Return to Monkey Island, Return to Shironagasu Island, Reventure, Reverse Collapse: Code Name Bakery, Reversion - The Escape (1st Chapter), Reversion - The Return (Last Chapter), Revita, Revolution Ace, Rewind Or Die, Rex Nebular and the Cosmic Gender Bender, Rex Rocket, Richard & Alice, Rick and Morty: Virtual Rick-ality, Riddle Joker, Riddled Corpses, Riders of Icarus, RIFT, RiME, Rise of the Ronin, Rise of the Tomb Raider™, Rising World, Riven, Riven (1997), River City Girls 2, River City Girls Zero, River City Super Sports Challenge ~All Stars Special~, Road 96 🛣️, Road 96: Mile 0, Road Redemption, Road Scars: Origins, RoadCraft, Roadwarden, ROBOBEAT, RoboCop: Rogue City, Rock 'N' Roll Defense, Rocketbirds: Hardboiled Chicken, Rogalia, Rogue Fable III, Rogue Heroes: Ruins of Tasos, Rogue Legacy, Rogue Legacy 2, Rogue Port - Blue Nightmare, Rogue Port - Red Nightmare, Roguebook, Roguelands, Röki, Roman's Christmas / 罗曼圣诞探案集, Romestead, rooMaze, Rot Gut, Rotten Apple - VR Arcade Version, Rotwood, Rough Justice: '84, RPG MO, Rules Of Survival, Run!ZombieFood!, Runaway, A Road Adventure, Runaway: A Twist of Fate, Rune Classic, Rune Factory 5, RuneScape: Dragonwilds, Running Through Russia, Rushdown Revolt, RUSSIA BATTLEGROUNDS, Russian Fishing 4, Rust, Rusty Lake Hotel, Rusty Lake Paradise, Rusty Lake: Roots, RWBY: Grimm Eclipse, Ryzom, S.K.I.L.L. - Special Force 2 (Shooter), S.T.A.L.K.E.R. 2: Heart of Chornobyl, S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition, Sabbat of the Witch, Sable, Sackboy™: A Big Adventure, Saiko no sutoka, Sailing Era, Sailwind, Saints Row, Saints Row IV: Re-Elected, Saints Row®: The Third™ Remastered, Sakura Dungeon, Saleblazers, Sally Face - Episode One, Salt, Salt 2: Shores of Gold, Sam & Max 101: Culture Shock, Sam & Max 201: Ice Station Santa, Sam & Max Hit the Road, Sam & Max Save the World, Samorost 3, Samsara Room, Samurai GUNN 2, Samurai Jack: Battle Through Time, SANABI, SanctuaryRPG: Black Edition, Sands of Salzaar, Sanfu, Sang-Froid - Tales of Werewolves, Sanitarium, Satellite Odyssey: Prologue, Satisfactory, Savage Lands, Scanner Sombre, Scarlet Hollow, SCARLET NEXUS, Scars Above, Scavenger SV-4, School of Dragons, Scorn, Scott Pilgrim vs. The World™: The Game – Complete Edition, ScourgeBringer, SCP: Secret Files, Scrap Mechanic, Scratches - Director's Cut, Scribblenauts Unlimited, Scribblenauts Unmasked: A DC Comics Adventure, SCUM, Sea of Solitude, Sea of Stars, Sea of Survivors, Sea of Thieves: 2025 Edition, Sea Salt, Seablip, Season of 12 Colors, SEASON: A letter to the future, Seasons after Fall, Secret Neighbor Beta, Secret Neighbor: Hello Neighbor Multiplayer, Secret World Legends, Secrets of Grindea, See No Evil, Seek Girl:Fog Ⅰ, Seen, SEEP Universe, SEGA Mega Drive and Genesis Classics, Sekiro™: Shadows Die Twice - GOTY Edition, Selaco, Selene ~Apoptosis~, Sengoku Dynasty, Senren＊Banka, Sentience: The Android's Tale, Sentry Knight Tactics, Senua’s Saga: Hellblade II, Serious Sam 4, Serious Sam: Siberian Mayhem, Serpent in the Staglands, Seven: Enhanced Edition, Shadow Man Remastered, Shadow of Loot Box, Shadow of the Tomb Raider: Definitive Edition, Shadow Warrior, Shadow Warrior 2, Shadow Warrior 3: Definitive Edition, Shadowgate