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991 games

Info, platforms and system requirements for thousands of games

O Holy Knight

O Holy KnightPC · 2024 · Action

O.D.T.: Escape... Or Die Trying

O.D.T.: Escape... Or Die TryingPC · 1998 · Role-playing

O.R.B.: Off-World Resource Base

O.R.B.: Off-World Resource BasePC · 2002 · Strategy

O.V.N.I. Abduction

O.V.N.I. AbductionPC · 2021 · Action

O'Fox Life

O'Fox LifePC · 2017 · Indie

O3: Hollow Descent

O3: Hollow DescentPC · Shooter

Oafmatch

OafmatchPC · 2017 · Casual

Oaken

OakenPC · 2023 · Adventure

Oaken DEMO

Oaken DEMOPC · 2022 · Turn-based

Oakenfold

OakenfoldPC · 2022 · Indie

Oakwood

OakwoodPC · 2018 · Indie

Oakwood Academy of Spells and Sorcery

Oakwood Academy of Spells and SorceryPC · 2018 · Casual

Oasis Mission: Colony Sim

Oasis Mission: Colony SimPC · 2025 · Indie

OASIS: Tokyo

OASIS: TokyoPC · 2023 · Action

oath

oathPC · 2024 · Casual

Oathbreakers

OathbreakersPC · 2022 · Action

Oatmeal

OatmealPC · 2021 · Indie

Oats Studios - Volume 1 Assets

Oats Studios - Volume 1 AssetsPC · 2017 · Violent

Obama Boss Fight

Obama Boss FightPC · 2021 · Action

Obduction

ObductionPC · 2016 · Adventure

Obduction ® Soundtrack

Obduction ® SoundtrackPC · 2016 · FPP

Oberty

ObertyPC · 2024 · Casual

OBEY

OBEYPC · 2020 · Action

Obey Me

Obey MePC · 2020 · Action ObitusSuper Nintendo (SNES) · 1993

Object "Cleaning"

Object "Cleaning"PC · 2018 · Action

Object N

Object NPC · 2021 · Action

Objects in Space

Objects in SpacePC · 2019 · Action

Oblin Party

Oblin PartyPC · 2025 · Action

Obliteracers

ObliteracersPC · 2016 · Action

Obliteracy

ObliteracyPC · 2018 · Casual

Oblitus

OblitusPC · 2015 · Action

Oblitus mortis

Oblitus mortisPC · 2025 · Adventure

Oblivion Override

Oblivion OverridePC · 2024 · Action

Oblivious Garden ~Carmina Burana

Oblivious Garden ~Carmina BuranaPC · 2014 · Adventure

Oblivity - Find your perfect Sensitivity

Oblivity - Find your perfect SensitivityPC · 2022 · Action

Obludia

ObludiaPC · 2014 · Action

Obscula

ObsculaPC · 2025 · Action

Obscure

ObscurePC · 2014 · Action

Obscure Chronicle of Dynasty

Obscure Chronicle of DynastyPC · 2023 · Indie

Obscure II (Obscure: The Aftermath)

Obscure II (Obscure: The Aftermath)PC · 2014 · Action Obscure: The AftermathNintendo Wii · 2008 Obscure: The AftermathSony Playstation 2 · 2008

Obscuritas

ObscuritasPC · 2016 · FPP

Obscurite Magie: The Blood of Kings

Obscurite Magie: The Blood of KingsPC · 2023 · Adventure

Obscurite Magie: The City of Sin

Obscurite Magie: The City of SinPC · 2021 · Adventure

OBSCURY : THE LAST

OBSCURY : THE LASTPC · 2021 · Indie

Observation

ObservationPC · 2020 · Adventure

Observe and Report

Observe and ReportPC · 2024 · Casual Observer System Redux Day one edition Microsoft Xbox Series X · 2021

Observer: System Redux

Observer: System ReduxPC · 2020 · Adventure

Observer: System Redux

Observer: System ReduxPC · 2020 · FPP Observer: System ReduxMicrosoft Xbox Series X · 2020

Observo

ObservoPC · 2022 · Action

Obsideo

ObsideoPC · 2021 · Action

Obsolete

ObsoletePC · 2020 · Action

Obsurity

ObsurityPC · 2020 · Action

Obulis

ObulisPC · 2009 · Casual Ocarina of Time Four Swords Arena EditionNintendo 64 · 2016

Occult

OccultPC · 2022 · Action

Occultus - Mediterranean Cabal

Occultus - Mediterranean CabalPC · 2017 · Adventure

Occupation 2.5

Occupation 2.5PC · 2021 · Action

Occupy Mars: Prologue (2020)

Occupy Mars: Prologue (2020)PC · 2020 · Adventure

Occupy Mars: The Game

Occupy Mars: The GamePC · 2026 · Indie

Occupy White Walls

Occupy White WallsPC · 2022 · Casual

OCEAN CITY RACING

OCEAN CITY RACINGPC · 2014 · Action

Ocean Is Home : Island Life Simulator

Ocean Is Home : Island Life SimulatorPC · 2022 · Action

Ocean Keeper: Dome Survival

Ocean Keeper: Dome SurvivalPC · 2025 · Action

Ocean Punk

Ocean PunkPC · 2024 · Adventure

Ocean Rift

Ocean RiftPC · 2017 · Adventure

Ocean's Heart

Ocean's HeartPC · 2021 · Action

OceanCraft

OceanCraftPC · 2021 · Adventure

Oceanhorn 2: Knights of the Lost Realm

Oceanhorn 2: Knights of the Lost RealmPC · 2023 · Action

Oceanhorn: Monster of Uncharted Seas

Oceanhorn: Monster of Uncharted SeasPC · 2015 · Action

Oceanhorn: Monster of Uncharted Seas

Oceanhorn: Monster of Uncharted SeasPC · 2015 · Action

OCO

OCOPC · 2021 · Action

Octahedron: Transfixed Edition

Octahedron: Transfixed EditionPC · 2018 · Action

Octave

OctavePC · 2016 · Adventure

October Night Games

October Night GamesPC · 2020 · Adventure

Octodad (Student Edition)

Octodad (Student Edition)PC · 2023 · Adventure

Octodad: Dadliest Catch

Octodad: Dadliest CatchPC · 2014 · Action

Octodad: Dadliest Catch

Octodad: Dadliest CatchPC · 2014 · Simulation Octodad: Dadliest CatchSony Playstation 4 · 2016

OctoFurry

OctoFurryPC · 2020 · Adventure

Octogeddon

OctogeddonPC · 2018 · Action OctomaniaNintendo Wii · 2008 Octopath TravelerNintendo Switch · 2018

OCTOPATH TRAVELER II

OCTOPATH TRAVELER IIPC · 2023 · RPG

OCTOPATH TRAVELER™

OCTOPATH TRAVELER™PC · 2019 · RPG

OCTOPTICOM

OCTOPTICOMPC · 2018 · Indie OctopusAtari 2600 · 1982

Octopus Bar

Octopus BarPC · 2017 · Action

Octopus City Blues

Octopus City BluesPC · Horror

Octopus City Blues Demo

Octopus City Blues DemoPC · Horror

Oculto

OcultoPC · 2019 · Action

Odallus: The Dark Call

Odallus: The Dark CallPC · 2015 · Action OdamaNintendo GameCube · 2006 OdamaNintendo GameCube · 2006 Odama [Microphone Bundle]Nintendo GameCube · 2006

Odd Adventure of Chub, Color, 23 and You

Odd Adventure of Chub, Color, 23 and YouPC · 2020 · Adventure

Odd Island

Odd IslandPC · 2018 · Action

Odd One Out

Odd One OutPC · 2022 · Casual

Odd Realm

Odd RealmPC · 2024 · Indie

Odd Remedy

Odd RemedyPC · 2024 · Adventure

Odd Town

Odd TownPC · Action

Odd Woods

Odd WoodsPC · 2022 · Action

Odd||Even

Odd||EvenPC · 2016 · Casual

ODDADA

ODDADAPC · 2024 · Casual

OddPlanet

OddPlanetPC · 2016 · Adventure

Oddsparks: An Automation Adventure

Oddsparks: An Automation AdventurePC · 2025 · Adventure Oddworld AdventuresNintendo Game Boy · 1998 Oddworld Adventures 2Nintendo Game Boy Color · 2000 Oddworld SoulstormMicrosoft Xbox Series X · 2021

Oddworld: Abe's Exoddus®

Oddworld: Abe's Exoddus®PC · 2008 · Adventure

Oddworld: Abe's Oddysee

Oddworld: Abe's OddyseePC · 1997 · Action Oddworld: Abe's Oddysee - New 'n' TastyMac OS · 2015 Oddworld: Abe's Oddysee - New 'n' TastyNintendo Wii U · 2016 Oddworld: Abe's Oddysee - New 'n' TastySony Playstation 4 · 2016 Oddworld: Abe's Oddysee - New 'n' TastyMicrosoft Xbox One · 2015

Oddworld: Abe's Oddysee®

Oddworld: Abe's Oddysee®PC · 2008 · Adventure

Oddworld: Munch's Oddysee

Oddworld: Munch's OddyseePC · 2010 · Action Oddworld: Munch's Oddysee HDSony Playstation Vita · 2014

Oddworld: New 'n' Tasty

Oddworld: New 'n' TastyPC · 2015 · Action Oddworld: SoulstormSony Playstation 5 · 2021 Oddworld: Soulstorm [Collector's Oddition]Sony Playstation 5 · 2021

Oddworld: Soulstorm Enhanced Edition

Oddworld: Soulstorm Enhanced EditionPC · 2022 · Action Oddworld: Stranger's WrathPC · 2010

Oddworld: Stranger's Wrath HD

Oddworld: Stranger's Wrath HDPC · 2010 · Action

Oddworld: Stranger's Wrath HD

Oddworld: Stranger's Wrath HDPC · 2010 · Shooter

Odesi Music Composition

Odesi Music CompositionPC · 2016 · Audio Production

ODIA

ODIAPC · 2020 · Action Odin SphereSony Playstation 2 · 2007

Odinfall

OdinfallPC · 2025 · Action

Odium to the Core

Odium to the CorePC · 2018 · Action

Odysseus Kosmos and his Robot Quest (Complete Season)

Odysseus Kosmos and his Robot Quest (Complete Season)PC · 2017 · Indie

Odysseus Kosmos and his Robot Quest: Episode 1

Odysseus Kosmos and his Robot Quest: Episode 1PC · 2018 · Indie

Odysseus: Long Way Home

Odysseus: Long Way HomePC · 2015 · Adventure

Odyssey - The Story of Science

Odyssey - The Story of SciencePC · 2017 · Adventure

OESE

OESEPC · 2016 · Casual

Of Ash And Steel

Of Ash And SteelPC · 2025 · Action

Of Bird and Cage

Of Bird and CagePC · 2021 · Action

Of Blades & Tails

Of Blades & TailsPC · 2023 · Adventure

Of Carrots And Blood

Of Carrots And BloodPC · 2016 · Action

Of Gods and Men: The Daybreak Empire

Of Gods and Men: The Daybreak EmpirePC · 2018 · Indie

Of Guards And Thieves

Of Guards And ThievesPC · 2014 · Action

Of Life and Land

Of Life and LandPC · 2025 · Indie

Of Light and Darkness

Of Light and DarknessPC · 1998 · Real-time

Of Mice and Moggies

Of Mice and MoggiesPC · 2021 · Indie

OF MICE AND SAND -REVISED-

OF MICE AND SAND -REVISED-PC · 2018 · Simulation

Of Orcs And Men

Of Orcs And MenPC · 2012 · Action

Of the Red, the Light, and the Ayakashi Tsuzuri

Of the Red, the Light, and the Ayakashi TsuzuriPC · 2024 · Adventure Off Road ChallengeNintendo 64 · 1998

Off The Chains Disc Golf

Off The Chains Disc GolfPC · 2020 · Casual

Off Trail

Off TrailPC · 2024 · Adventure

Off-Peak

Off-PeakPC · 2016 · Adventure

Off-Road Drive

Off-Road DrivePC · 2011 · Racing

Off-Road Paradise: Trial 4x4

Off-Road Paradise: Trial 4x4PC · 2017 · Action

Off-Road Super Racing

Off-Road Super RacingPC · 2016 · Racing Off-World Interceptor ExtremeSega Saturn · 1994

Office Battle

Office BattlePC · 2015 · Violent

Office Dreaming

Office DreamingPC · 2024 · Casual

Office Life

Office LifePC · 2024 · RPG

Office lovers

Office loversPC · 2016 · Adventure

Office Management 101

Office Management 101PC · 2022 · Indie

Office Party

Office PartyPC · Simulation

Office Simulator

Office SimulatorPC · 2025 · Casual

Office Space: Idle Profits

Office Space: Idle ProfitsPC · 2017 · Free To Play

Offroad Mania

Offroad ManiaPC · 2020 · Adventure

Offroad Mechanic Simulator

Offroad Mechanic SimulatorPC · 2023 · Racing

Offroad Racing - Buggy X ATV X Moto

Offroad Racing - Buggy X ATV X MotoPC · 2019 · Racing

Offroad Truck Simulator: Heavy Duty Challenge®

Offroad Truck Simulator: Heavy Duty Challenge®PC · 2023 · Adventure

Offscreen Colonies: VR Edition

Offscreen Colonies: VR EditionPC · 2019 · Animation & Modeling Offshore TycoonNintendo Wii · 2009

Offspring Fling!

Offspring Fling!PC · 2012 · Adventure

Offworld Trading Company

Offworld Trading CompanyPC · 2016 · Indie

Ogre

OgrePC · 2017 · Indie Ogre Battle 64: Person of Lordly CaliberNintendo 64 · 2000 Ogre Battle 64: Person of Lordly CaliberNintendo 64 · 1999 Ogre Battle: The March of the Black QueenSuper Nintendo (SNES) · 1995 Ogre Battle: The March of the Black QueenSony Playstation · 1996

Ogu and the Secret Forest

Ogu and the Secret ForestPC · 2024 · Adventure

Oh Baby Kart

Oh Baby KartPC · 2024 · Adventure

Oh Deer

Oh DeerPC · 2024 · Action

Oh Jeez, Oh No, My Rabbits Are Gone!

Oh Jeez, Oh No, My Rabbits Are Gone!PC · 2019 · Casual

OH MY GOD, LOOK AT THIS KNIGHT

OH MY GOD, LOOK AT THIS KNIGHTPC · 2018 · Action

Oh My Goddess!

Oh My Goddess!PC · 2024 · Casual

Oh My Godheads

Oh My GodheadsPC · 2017 · Action

Oh My Gore!

Oh My Gore!PC · 2016 · Indie

Oh No! Bugs!

Oh No! Bugs!PC · 2016 · Casual

Oh Trap!

Oh Trap!PC · 2018 · Action

Oh, you touch my balls ( ͡° ͜ʖ ͡°)

Oh, you touch my balls ( ͡° ͜ʖ ͡°)PC · 2018 · Casual

Oh! Edo Towns

Oh! Edo TownsPC · 2022 · Casual

OH! RPG!

OH! RPG!PC · 2015 · Adventure

Oh...Sir! Prototype

Oh...Sir! PrototypePC · 2015 · Indie

Oh...Sir! The Hollywood Roast

Oh...Sir! The Hollywood RoastPC · 2017 · Adventure

Oh...Sir!! The Insult Simulator

Oh...Sir!! The Insult SimulatorPC · 2016 · Indie Ohenro-SanNintendo GameCube · 2003

Ohm Studio

Ohm StudioPC · 2013 · Audio Production

Ohr: אור

Ohr: אורPC · 2016 · Adventure

OhShape

OhShapePC · 2019 · Action

OHV

OHVPC · 2024 · Indie OidsMac OS · 1990

Oik

OikPC · 2017 · Casual

Oik 2

Oik 2PC · 2017 · Casual

Oik 3

Oik 3PC · 2017 · Casual

Oik 4

Oik 4PC · 2018 · Casual

Oik 5

Oik 5PC · 2019 · Casual

Oik Memory

Oik MemoryPC · 2017 · Casual

Oik Memory 2

Oik Memory 2PC · 2018 · Casual

Oik Memory 3

Oik Memory 3PC · 2019 · Casual

Oik Memory: Endgame

Oik Memory: EndgamePC · 2019 · Casual

Oik Reloaded

Oik ReloadedPC · 2020 · Casual

Oil and Sand

Oil and SandPC · 2024 · Indie

Oil Baron

Oil BaronPC · 2018 · Indie

Oil Enterprise

Oil EnterprisePC · 2016 · Indie

Oil Rush

Oil RushPC · 2012 · Indie

Oil Wars

Oil WarsPC · 2020 · Free To Play Oink!Atari 2600 · 1982

Oirbo

OirboPC · 2025 · Sci-fi

OK K.O.! Let’s Play Heroes

OK K.O.! Let’s Play HeroesPC · 2018 · Action

OK/NORMAL

OK/NORMALPC · 2018 · Adventure Okaeri! Chibi-Robo! Happy Richie OosoujiNintendo DS · 2009 OkamiNintendo Wii · 2008 OkamiSony Playstation 2 · 2006

Okami HD

Okami HDPC · 2017 · Adventure OkamidenNintendo DS · 2011

Okashi Towers

Okashi TowersPC · 2024 · Action

Okhlos: Omega

Okhlos: OmegaPC · 2016 · Action

Okinawa Rush

Okinawa RushPC · 2021 · Action

Okko The Exiled

Okko The ExiledPC · 2026 · Action

Oknytt

OknyttPC · 2014 · Adventure

Olaguna Chronicles

Olaguna ChroniclesPC · 2021 · Adventure

Old Coin Pusher Friends

Old Coin Pusher FriendsPC · 2021 · Casual

Old Coin Pusher Friends 2

Old Coin Pusher Friends 2PC · 2023 · Casual

Old Coin Pusher Friends 3

Old Coin Pusher Friends 3PC · 2024 · Casual

Old Friend

Old FriendPC · 2016 · Casual

Old Future: Post-Apocalyptic Times

Old Future: Post-Apocalyptic TimesPC · 2022 · Action

Old Gods Rising

Old Gods RisingPC · 2020 · Adventure

Old Man's Journey

Old Man's JourneyPC · 2017 · Adventure

Old Market Simulator

Old Market SimulatorPC · 2024 · Simulation

Old Retro Shooter

Old Retro ShooterPC · 2022 · Action

Old School

Old SchoolPC · 2023 · Action

Old School FOTD

Old School FOTDPC · 2017 · Violent

Old School Musical

Old School MusicalPC · 2018 · Action

Old School Rally

Old School RallyPC · 2025 · Indie

Old School RPG

Old School RPGPC · 2024 · RPG

Old School RuneScape

Old School RuneScapePC · 2021 · Adventure

Old Skies

Old SkiesPC · 2025 · Adventure

Old Tunnel

Old TunnelPC · 2023 · Adventure

Old World

Old WorldPC · 2022 · RPG

Oldage

OldagePC · 2017 · Free To Play

oldbI tyt ?

oldbI tyt ?PC · 2019 · Action

OldMaidGirl

OldMaidGirlPC · 2017 · Casual

OLDTV

OLDTVPC · 2017 · Indie

Olija

OlijaPC · 2021 · Action

Oliver's Adventures in the Fairyland

Oliver's Adventures in the FairylandPC · 2019 · Action

Ollie & Bollie: Outdoor Estate

Ollie & Bollie: Outdoor EstatePC · 2020 · Casual

OlliOlli

OlliOlliPC · 2014 · Indie

OlliOlli World

OlliOlli WorldPC · 2022 · Action

OlliOlli World Rad Edition

OlliOlli World Rad EditionPC · 2022 · Action

OlliOlli2: Welcome to Olliwood

OlliOlli2: Welcome to OlliwoodPC · 2015 · Action

OlliOlli2: Welcome to Olliwood

OlliOlli2: Welcome to OlliwoodPC · 2015 · Action OlliOlli2: Welcome to OlliwoodSony Playstation 4 · 2015

Olorun: Theocracy

Olorun: TheocracyPC · 2018 · Violent

Olympia Rising

Olympia RisingPC · 2015 · Action

Olympic Games Tokyo 2020 – The Official Video Game™

Olympic Games Tokyo 2020 – The Official Video Game™PC · 2021 · Casual Olympic GoldSega Game Gear · 1992 Olympic Gold: Barcelona '92Sega Genesis · 1992 Olympic Gold: Barcelona '92Sega Master System · 1992 Olympic Hockey 98Nintendo 64 · 1998 Olympic SoccerSega Saturn · 1996 Olympic Summer GamesSuper Nintendo (SNES) · 1996 Olympic Summer Games: Atlanta 1996Nintendo Game Boy · 1996

Omae Wa Mou Shindeiru

Omae Wa Mou ShindeiruPC · 2018 · Casual

Omega Agent

Omega AgentPC · 2016 · Action Omega BoostSony Playstation · 1999

Omega Crafter

Omega CrafterPC · 2025 · Action

Omega Labyrinth Life

Omega Labyrinth LifePC · 2019 · RPG

Omega Quintet

Omega QuintetPC · 2017 · Adventure

Omega Strike

Omega StrikePC · 2017 · Action

OmegaBot

OmegaBotPC · 2022 · Action

Omegaland

OmegalandPC · 2017 · Casual

Omegalodon

OmegalodonPC · 2013 · Action

Omen Exitio: Plague

Omen Exitio: PlaguePC · 2018 · Adventure

Omen of Sorrow

Omen of SorrowPC · 2023 · Action

Omensight

OmensightPC · 2018 · Action

Omensight: Definitive Edition

Omensight: Definitive EditionPC · 2018 · Action

Omerta - City of Gangsters

Omerta - City of GangstersPC · 2013 · Simulation

Omerta: City of Gangsters (4 DLCs included)

Omerta: City of Gangsters (4 DLCs included)PC · 2013 · Strategy

OMFG: One Million Fatal Guns

OMFG: One Million Fatal GunsPC · 2021 · Action

OMG Words

OMG WordsPC · 2025 · Indie

OMG Zombies!

OMG Zombies!PC · 2014 · Action

OMICRON: Coronavirus Battlegrounds

OMICRON: Coronavirus BattlegroundsPC · 2020 · Action

Omikron: The Nomad Soul

Omikron: The Nomad SoulPC · 2013 · RPG

Omikron: The Nomad Soul

Omikron: The Nomad SoulPC · 1999 · Role-playing

Ominous Tales: The Forsaken Isle

Ominous Tales: The Forsaken IslePC · 2017 · Adventure

Omni Link

Omni LinkPC · 2018 · Action

Omnibullet

OmnibulletPC · 2024 · Indie

OmniBus

OmniBusPC · 2016 · Action

OmniBus: Game of the Year Edition

OmniBus: Game of the Year EditionPC · 2016 · Racing

OmniFootman

OmniFootmanPC · 2019 · Action

OMNIMUS

OMNIMUSPC · 2019 · Adventure

Omno

OmnoPC · 2021 · Action

Omno: Prologue

Omno: ProloguePC · 2020 · Action

Omoide Ni Kawaru Kimi Memories Off

Omoide Ni Kawaru Kimi Memories OffPC · 2024 · Adventure

OMON Simulator

OMON SimulatorPC · 2019 · Action

OMORI

OMORIPC · 2020 · Adventure

OMSI 2: Steam Edition

OMSI 2: Steam EditionPC · 2013 · Casual

Omurice Next Time

Omurice Next TimePC · 2024 · Casual

OMUSUBI

OMUSUBIPC · 2024 · Adventure

On a Roll

On a RollPC · 2017 · Action

On A Roll 3D

On A Roll 3DPC · 2015 · Action

On Air Island : Survival Chat

On Air Island : Survival ChatPC · 2023 · Adventure

On Dark Terms

On Dark TermsPC · 2024 · Action

On My Own

On My OwnPC · 2016 · Adventure

On Rusty Trails

On Rusty TrailsPC · 2016 · Indie On the BallSuper Nintendo (SNES) · 1993

On the Dragon Wings - Birth of a Hero

On the Dragon Wings - Birth of a HeroPC · 2022 · Action

On the front line

On the front linePC · 2016 · Indie

On the Peril of Parrots

On the Peril of ParrotsPC · 2023 · Casual

On The Road - The Truck Simulator

On The Road - The Truck SimulatorPC · 2019 · Casual

On The Western Front

On The Western FrontPC · 2025 · Indie

On Your Hands

On Your HandsPC · 2023 · Action

On Your Tail

On Your TailPC · 2024 · Adventure

Once a Pawn a King

Once a Pawn a KingPC · 2026 · Strategy

Once a Tale

Once a TalePC · 2024 · Adventure

Once Again

Once AgainPC · 2022 · Adventure

Once Alive

Once AlivePC · 2024 · Adventure

Once Bitten, Twice Dead!

Once Bitten, Twice Dead!PC · 2015 · Action

Once in Flowerlake

Once in FlowerlakePC · 2021 · Adventure

Once in Yaissor

Once in YaissorPC · 2016 · Adventure

Once in Yaissor 2

Once in Yaissor 2PC · 2017 · Adventure

Once in Yaissor 3

Once in Yaissor 3PC · 2022 · Adventure

Once on a windswept night

Once on a windswept nightPC · 2017 · Casual

Once upon a Dungeon

Once upon a DungeonPC · 2018 · Indie

Once Upon a Jester

Once Upon a JesterPC · 2022 · Action

Once Upon A Mind - A Little Too Friendly

Once Upon A Mind - A Little Too FriendlyPC · 2025 · Adventure

Once Upon A Puppet

Once Upon A PuppetPC · 2025 · Adventure

Once Upon a Rogue's Tale

Once Upon a Rogue's TalePC · 2024 · Casual

Once Upon an All Hallow's Eve

Once Upon an All Hallow's EvePC · 2017 · Simulation

Once'

Once'PC · 2019 · Adventure

Once10

Once10PC · 2019 · Adventure

Onde

OndePC · 2022 · Adventure

One Box One Goal

One Box One GoalPC · 2025 · Action

ONE BTN BOSSESPC · 2024 · Action

One Circle

One CirclePC · 2020 · Casual

One Dark Night

One Dark NightPC · 2016 · Free To Play

One day

One dayPC · 2019 · Casual

One Day : The Sun Disappeared

One Day : The Sun DisappearedPC · 2016 · Action

ONE DAY for Ched

ONE DAY for ChedPC · 2014 · Action

One Day in London

One Day in LondonPC · 2016 · Adventure

One Deck Dungeon

One Deck DungeonPC · 2018 · Adventure

One Deck Galaxy

One Deck GalaxyPC · 2024 · Indie

One Dog Story

One Dog StoryPC · 2017 · Action

One Dollar Simulator

One Dollar SimulatorPC · 2020 · Casual

One Dreamer

One DreamerPC · 2022 · Adventure

One Dreamer: Prologue

One Dreamer: ProloguePC · 2020 · Free To Play

One Drop Bot

One Drop BotPC · 2019 · Indie

One Eleven

One ElevenPC · 2023 · Indie

One Eyed Kutkh

One Eyed KutkhPC · 2017 · Adventure

One Finger Death Punch

One Finger Death PunchPC · 2014 · Action

One Finger Death Punch 2

One Finger Death Punch 2PC · 2019 · Action one game of gamePC · 2019 · Indie

One Gun Guy

One Gun GuyPC · 2022 · Action

One Hand Clapping

One Hand ClappingPC · 2021 · Adventure

One Hour One Life

One Hour One LifePC · 2018 · Indie

One Hundred Ways

One Hundred WaysPC · 2015 · Casual

One Last Breath

One Last BreathPC · 2024 · Adventure

One Last Chance

One Last ChancePC · 2016 · Casual

One Last Day

One Last DayPC · 2015 · Action

One Last Memory

One Last MemoryPC · 2021 · Action

One Late Night: Deadline

One Late Night: DeadlinePC · 2014 · Adventure

One Line

One LinePC · 2021 · Casual

One Line Coloring

One Line ColoringPC · 2020 · Casual

One Line: Letters and Codes

One Line: Letters and CodesPC · 2022 · Casual

One Lonely Outpost

One Lonely OutpostPC · 2025 · Indie

One Man Is Not No Man

One Man Is Not No ManPC · 2016 · Action

One Manga Day

One Manga DayPC · 2015 · Adventure

One Military Camp

One Military CampPC · 2023 · Indie

One More Dungeon

One More DungeonPC · 2015 · Action

One More Dungeon 2

One More Dungeon 2PC · 2022 · Action

One More Gate : A Wakfu Legend

One More Gate : A Wakfu LegendPC · 2023 · Adventure

One More Island

One More IslandPC · 2022 · Simulation

One More Line

One More LinePC · 2015 · Action

One More Night

One More NightPC · 2016 · Action

One Night

One NightPC · 2018 · Adventure

One Night Stand

One Night StandPC · 2016 · Adventure

One Night Two Crazies

One Night Two CraziesPC · 2016 · Indie

One Night With Kawaii

One Night With KawaiiPC · 2024 · Action

One Night You're Crazy

One Night You're CrazyPC · 2017 · Action

one night, hot springs

one night, hot springsPC · 2018 · Indie

One Night: Burlesque

One Night: BurlesquePC · 2023 · Adventure

One Of The Last

One Of The LastPC · 2017 · Violent

ONE PIECE Bounty Rush

ONE PIECE Bounty RushPC · 2024 · Action

One Piece Burning Blood

One Piece Burning BloodPC · 2016 · Action One Piece MansionSony Playstation · 2001

ONE PIECE ODYSSEY

ONE PIECE ODYSSEYPC · 2023 · Action

One Piece Pirate Warriors 3

One Piece Pirate Warriors 3PC · 2015 · Action

ONE PIECE World Seeker

ONE PIECE World SeekerPC · 2019 · Action One Piece: Gear SpiritNintendo DS · 2007 One Piece: Gigant Battle 2 - ShinsekaiNintendo DS · 2011 One Piece: Gigant Battle!Nintendo DS · 2010 One Piece: Grand AdventureNintendo GameCube · 2006 One Piece: Grand Battle 3Nintendo GameCube · 2003 One Piece: Grand Battle!Nintendo GameCube · 2005 One Piece: Grand Battle! Rush!Nintendo GameCube · 2005 One Piece: Pirate Warriors 3Sony Playstation 4 · 2015

ONE PIECE: PIRATE WARRIORS 4

ONE PIECE: PIRATE WARRIORS 4PC · 2023 · Action One Piece: Pirates CarnivalNintendo GameCube · 2005 One Piece: Pirates' CarnivalNintendo GameCube · 2006 One Piece: Unlimited AdventureNintendo Wii · 2008 One Piece: Unlimited World RedNintendo Wii U · 2014 One Piece: Unlimited World RedSony Playstation Vita · 2014 One Piece: Unlimited World RedNintendo 3DS · 2014

One Piece: Unlimited World Red - Deluxe Edition

One Piece: Unlimited World Red - Deluxe EditionPC · 2017 · Action

One Ping Only

One Ping OnlyPC · 2018 · Action

ONE PUNCH MAN: A HERO NOBODY KNOWS

ONE PUNCH MAN: A HERO NOBODY KNOWSPC · 2020 · Action

One Room Nightmare

One Room NightmarePC · 2024 · Indie

One Shell Straight to Hell

One Shell Straight to HellPC · 2021 · Action

One Ship Two Ship Redshift Blueshift

One Ship Two Ship Redshift BlueshiftPC · 2015 · Action

One Small Fire At A Time

One Small Fire At A TimePC · 2016 · Adventure

One Step After Fall

One Step After FallPC · 2022 · Adventure

One Step From Eden

One Step From EdenPC · 2020 · Action

One Step From Eden

One Step From EdenPC · 2020 · Strategy

One Strike

One StrikePC · 2017 · Violent

One Synth

One SynthPC · 2019 · Adventure

One Thousand Lies

One Thousand LiesPC · 2016 · Casual

One Tower

One TowerPC · 2016 · Free To Play

One Troll Army

One Troll ArmyPC · 2016 · Casual

One True Hero

One True HeroPC · 2022 · Action

One True Path - Part 1

One True Path - Part 1PC · 2025 · Action

One Try, One Kill

One Try, One KillPC · 2020 · Action

One Way Heroics

One Way HeroicsPC · 2014 · Indie

One Way To Die

One Way To DiePC · 2015 · Adventure

One Way: The Elevator

One Way: The ElevatorPC · 2020 · Casual

One Wish

One WishPC · 2018 · Adventure

One-armed robber

One-armed robberPC · 2023 · Action

One-inch Tactics

One-inch TacticsPC · 2024 · Strategy One-on-One BasketballAtari 7800 · 1987

One-Way Ticket / 单程票

One-Way Ticket / 单程票PC · 2018 · Casual

ONE.

ONE.PC · 2023 · Adventure

Onechanbara Z2: Chaos

Onechanbara Z2: ChaosPC · 2016 · Action Onechanbara: Bikini Zombie SlayersNintendo Wii · 2009

Onee Chanbara ORIGIN

Onee Chanbara ORIGINPC · 2020 · Action Onegai MonsterNintendo 64 · 1999

Oneiro

OneiroPC · 2021 · Action

Oneiros

OneirosPC · 2020 · Action

OneRoom ―Yui Hanasaka Memorial―

OneRoom ―Yui Hanasaka Memorial―PC · 2025 · Adventure

OneScreen Solar Sails

OneScreen Solar SailsPC · 2017 · Casual

OneShift

OneShiftPC · 2018 · Action

OneShot

OneShotPC · 2016 · Adventure

OneShot: World Machine Edition

OneShot: World Machine EditionPC · 2024 · Adventure

Oneteam Soccer

Oneteam SoccerPC · 2020 · Action OniSony Playstation 2 · 2001

ONI : Road to be the Mightiest Oni

ONI : Road to be the Mightiest OniPC · 2023 · Action Oni II: Innin DensetsuNintendo Game Boy · 1992 Oni III: Kuro no HakaishinNintendo Game Boy · 1993 Oni IV: Kishin no KetsuzokuNintendo Game Boy · 1994 Oni V: Innin no TsugumonoNintendo Game Boy · 1995 Onigashima Pachinko-TenNintendo Game Boy · 1991

Onigiri

OnigiriPC · 2019 · Action

Onii-Chan

Onii-ChanPC · 2018

Oniken: Unstoppable Edition

Oniken: Unstoppable EditionPC · 2014 · Action

Onikira - Demon Killer

Onikira - Demon KillerPC · 2015 · Action

Onimusha 2: Samurai's Destiny

Onimusha 2: Samurai's DestinyPC · 2025 · Action Onimusha 3: Demon SiegeSony Playstation 2 · 2004 Onimusha TacticsNintendo Game Boy Advance · 2003

Onimusha: Warlords

Onimusha: WarlordsPC · 2019 · Action

ONINAKI

ONINAKIPC · 2019 · Action

Onion Force

Onion ForcePC · 2016 · Action

Oniria Crimes

Oniria CrimesPC · 2020 · Adventure

Onirike

OnirikePC · 2021 · Action

Onirim - Solitaire Card Game

Onirim - Solitaire Card GamePC · 2017 · Casual

Onirism

OnirismPC · 2025 · Action

Online Simulator

Online SimulatorPC · 2019 · Simulation

Online Sparkler

Online SparklerPC · 2022 · Casual

Only Climb: Better Together

Only Climb: Better TogetherPC · 2023 · Action

Only Down!

Only Down!PC · 2023 · Adventure

Only False

Only FalsePC · 2025 · Casual

Only If

Only IfPC · 2014 · Adventure

Only Lead Can Stop Them

Only Lead Can Stop ThemPC · 2024 · Action

Only One Burn

Only One BurnPC · 2019 · Casual

Only Out

Only OutPC · 2025 · Indie

Only Up 2

Only Up 2PC · 2023 · Action

Only Up: With Friends

Only Up: With FriendsPC · 2023 · Action

Only Up!

Only Up!PC · 2023 · Action

Only Way is Down

Only Way is DownPC · 2025 · Action

Only Wish

Only WishPC · 2023 · Action

Onmyoji

OnmyojiPC · 2018 · Adventure

Onmyoji：the card game

Onmyoji：the card gamePC · 2023 · Free To Play Ono - Fast Card Game FunMac OS · 1970

ONRAID

ONRAIDPC · 2017 · Action

Onset

OnsetPC · 2019 · Action OnslaughtNintendo Wii · 2009

ONTOS

ONTOSPC · Action

Ontotis

OntotisPC · 2023 · Action

Onward

OnwardPC · 2025 · Action

Onyx

OnyxPC · 2017 · Adventure

oOPC · 2015 · Action

Ooblets

OobletsPC · 2023 · Adventure Ooga BoogaSega Dreamcast · 2001

Ooglians

OogliansPC · 2022 · Action

Ookibloks

OokibloksPC · 2015 · Action OoliteMac OS · 2004

Oona the Druid's Path

Oona the Druid's PathPC · 2021 · Action

Oops!!! I Slept With Your Mom

Oops!!! I Slept With Your MomPC · 2018 · Casual

Oozi: Earth Adventure

Oozi: Earth AdventurePC · 2013 · Casual

Opaline

OpalinePC · 2017 · Adventure

Ope

OpePC · 2019 · Action

Open Country

Open CountryPC · 2021 · Adventure

OPEN DOOR

OPEN DOORPC · 2023 · Action

Open Fishing XL

Open Fishing XLPC · 2023 · Casual

Open Hexagon

Open HexagonPC · 2021 · Action

Open Roads

Open RoadsPC · 2024 · Adventure Open SeasonNintendo Wii · 2006 Open SeasonMicrosoft Xbox 360 · 2006 Open SeasonNintendo GameCube · 2006

Open Sorcery

Open SorceryPC · 2017 · Adventure

Open Sorcery: Sea++

Open Sorcery: Sea++PC · 2021 · Adventure

Open Wheel Manager

Open Wheel ManagerPC · 2019 · Racing

Open Wheel Manager 2

Open Wheel Manager 2PC · 2024 · Racing

Open World Game: the Open World Game

Open World Game: the Open World GamePC · 2019 · Adventure

openCanvas 6

openCanvas 6PC · 2014 · Design & Illustration

openCanvas 7

openCanvas 7PC · 2017 · Design & Illustration

OpenMW

OpenMWPC · 2008 · Role-playing

OpenTTD

OpenTTDPC · 2021 · Casual

OpenTTD

OpenTTDPC · 2004 · Simulation

OpenVR Benchmark

OpenVR BenchmarkPC · 2019 · Utilities

Operation Abyss: New Tokyo Legacy

Operation Abyss: New Tokyo LegacyPC · 2017 · RPG

Operation Athena

Operation AthenaPC · 2024 · Action

Operation Babel: New Tokyo Legacy

Operation Babel: New Tokyo LegacyPC · 2017 · RPG

Operation Body Count

Operation Body CountPC · 1994 · Shooter

Operation Breakout

Operation BreakoutPC · 2016 · Action Operation CNintendo Game Boy · 1991

Operation Covid-19

Operation Covid-19PC · 2020 · Action Operation EuropeSega Genesis · 1993 Operation Europe: Path to Victory 1939-45Super Nintendo (SNES) · 1994

Operation Flashpoint: Dragon Rising

Operation Flashpoint: Dragon RisingPC · 2009 · Action

Operation Flashpoint: Red River

Operation Flashpoint: Red RiverPC · Action Operation Logic Bomb: The Ultimate Search & DestroySuper Nintendo (SNES) · 1993

Operation Lone Wolf

Operation Lone WolfPC · 2018 · Action Operation NeptuneAmiga · 1989

Operation Osama Bin Laden

Operation Osama Bin LadenPC · 2021 · Action Operation Secret StormNintendo Entertainment System (NES) · 1992

OPERATION SERPENS

OPERATION SERPENSPC · 2020 · Action

Operation Sniff

Operation SniffPC · 2020 · Action Operation Starfi5hSuper Nintendo (SNES) · 1993

Operation STEEL

Operation STEELPC · 2022 · Action Operation ThunderboltCommodore 64 · 1990 Operation ThunderboltAmiga · 1989 Operation ThunderboltAmstrad CPC · 1990 Operation ThunderboltSuper Nintendo (SNES) · 1994

Operation Thunderstorm

Operation ThunderstormPC · 2018 · Violent

Operation Warcade VR

Operation Warcade VRPC · 2017 · Action Operation WolfNintendo Entertainment System (NES) · 1989 Operation WolfArcade · 1992 Operation WolfTurboGrafx 16 · 1990 Operation WolfSega Master System · 1990 Operation WolfCommodore 64 · 1989 Operation WolfSinclair ZX Spectrum · 1988 Operation WolfAmstrad CPC · 1988

Operation Wolf Returns: First Mission

Operation Wolf Returns: First MissionPC · 2023 · Action Operation: Armored LibertyNintendo Game Boy Advance · 2003

Operation: Harsh Doorstop

Operation: Harsh DoorstopPC · 2023 · Action

Operation: Matriarchy

Operation: MatriarchyPC · 2016 · Action

Operation: New Earth

Operation: New EarthPC · 2016 · Massively Multiplayer

Operation: Polygon Storm

Operation: Polygon StormPC · 2024 · Strategy

Operation: Tango

Operation: TangoPC · 2021 · Adventure

Operation: Tango - Friend Pass

Operation: Tango - Friend PassPC · 2020 · Adventure Operation: VietnamNintendo DS · 2007

OPERATOR

OPERATORPC · 2023 · Action

Operator8

Operator8PC · 2024 · Action

Operencia: The Stolen Sun

Operencia: The Stolen SunPC · 2020 · Action

OPG: Clan Wars

OPG: Clan WarsPC · 2025 · Action OpoonaNintendo Wii · 2008

Oppidum

OppidumPC · 2025 · Action

Opportunity: A Sugar Baby Story

Opportunity: A Sugar Baby StoryPC · 2023 · Simulation

Optika

OptikaPC · 2016 · Adventure

Optimum Link

Optimum LinkPC · 2019 · Action

Opus Magnum

Opus MagnumPC · 2017 · Indie

OPUS: Echo of Starsong - Full Bloom Edition

OPUS: Echo of Starsong - Full Bloom EditionPC · 2021 · Adventure

OPUS: Rocket of Whispers

OPUS: Rocket of WhispersPC · 2018 · Adventure

OPUS: The Day We Found Earth

OPUS: The Day We Found EarthPC · 2016 · Adventure

ORPC · 2017 · Casual

Oracle

OraclePC · 2017 · Adventure

Oracle of Forgotten Testament

Oracle of Forgotten TestamentPC · 2018 · RPG Oracles CaveSinclair ZX Spectrum · 1983

Orake Classic

Orake ClassicPC · 2017 · Action

Oral Lessons With Chii-chan

Oral Lessons With Chii-chanPC · 2020 · Adventure

Orange Cast: Prologue

Orange Cast: ProloguePC · 2020 · Action

Orange Cast: Sci-Fi Space Action Game

Orange Cast: Sci-Fi Space Action GamePC · 2021 · Action

Orange Moon

Orange MoonPC · 2017 · Gore

Orange Roulette

Orange RoulettePC · 2024 · Action

Orange Season

Orange SeasonPC · 2024 · Adventure

Orangeblood

OrangebloodPC · 2020 · Indie

Oraxum Trials

Oraxum TrialsPC · 2022 · Casual

Orb Labs, Inc.

Orb Labs, Inc.PC · 2018 · Action

Orb of Creation

Orb of CreationPC · 2026 · Casual

Orb The Ball

Orb The BallPC · 2017 · Action

Orb Tower

Orb TowerPC · 2025 · Action

600 / 991

Data is based on Steam and may change. Always check the store page.