As we orbit around the letter “O”, we uncover a series of outstanding games that have left an omnipresent impact on players around the world. Offering a blend of genres, these “O” titles oscillate from open-world odysseys to obtuse puzzles.
Top Video Games That Start with O
1. Ori and the Blind Forest
- Best thing about the game: A visually stunning and emotionally driven action-platformer set in a mystical forest.
- Type: Desktop
- Developer: Moon Studios
- Publisher: Microsoft Studios
- Supported Operating System(s): Windows, Xbox, Switch
- Release Date: March 11, 2015
- Genre: Platformer
2. Outlast Series
- Best thing about the game: Dive into intense survival horror as you navigate dark corridors armed only with a camcorder.
- Type: Desktop
- Developer: Red Barrels
- Publisher: Red Barrels
- Supported Operating System(s): Windows, PlayStation, Xbox, Switch
- Release Date: (Starting from Outlast) September 4, 2013
- Genre: Survival Horror
3. Overwatch
- Best thing about the game: Engage in fast-paced team-based FPS battles with a diverse cast of heroes.
- Type: Desktop
- Developer: Blizzard Entertainment
- Publisher: Blizzard Entertainment
- Supported Operating System(s): Windows, PlayStation, Xbox, Switch
- Release Date: May 24, 2016
- Genre: First-person Shooter
4. Oxenfree
- Best thing about the game: Experience a supernatural thriller about a group of friends who open a ghostly rift.
- Type: Desktop
- Developer: Night School Studio
- Publisher: Night School Studio
- Supported Operating System(s): Windows, macOS, Linux, PlayStation, Xbox, Switch, iOS, Android
- Release Date: January 15, 2016
- Genre: Adventure, Supernatural Thriller
5. Outer Wilds
- Best thing about the game: Uncover the mysteries of a solar system stuck in a time loop.
- Type: Desktop
- Developer: Mobius Digital
- Publisher: Annapurna Interactive
- Supported Operating System(s): Windows, PlayStation, Xbox
- Release Date: May 28, 2019
- Genre: Action-Adventure, Exploration
6. Outward
- Best thing about the game: Embark on a challenging journey in this open-world RPG that combines survival elements.
- Type: Desktop
- Developer: Nine Dots Studio
- Publisher: Deep Silver
- Supported Operating System(s): Windows, PlayStation, Xbox
- Release Date: March 26, 2019
- Genre: RPG, Adventure, Survival
7. Osu!
- Best thing about the game: A rhythm game based on gameplay from a variety of popular commercial rhythm games.
- Type: Desktop
- Developer: Dean Herbert
- Publisher: Dean Herbert
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: September 16, 2007
- Genre: Rhythm
8. Overcooked Series
- Best thing about the game: Team up with friends in chaotic kitchens to prepare dishes under increasingly wacky conditions.
- Type: Desktop
- Developer: Ghost Town Games
- Publisher: Team17
- Supported Operating System(s): Windows, PlayStation, Xbox, Switch
- Release Date: (Starting from Overcooked) August 2, 2016
- Genre: Simulation, Party
9. Osmos
- Best thing about the game: Dive into an ambient physics-based game where you navigate by propelling matter out of your organism.
- Type: Desktop/Mobile
- Developer: Hemisphere Games
- Publisher: Hemisphere Games
- Supported Operating System(s): Windows, macOS, Linux, iOS, Android
- Release Date: August 17, 2009
- Genre: Puzzle, Strategy
10. The Outer Worlds
- Best thing about the game: Explore a spacefaring future where mega-corporations control every aspect of life in this narrative-driven RPG.
- Type: Desktop
- Developer: Obsidian Entertainment
- Publisher: Private Division
- Supported Operating System(s): Windows, PlayStation, Xbox, Switch
- Release Date: October 25, 2019
- Genre: RPG
11. Overruled!
- Best thing about the game: Experience a multiplayer brawler with dynamic challenges where players can change the rules as they play.
- Type: Desktop
- Developer: Dlala Studios
- Publisher: Team17
- Supported Operating System(s): Windows, PlayStation, Xbox
- Release Date: September 15, 2014
- Genre: Brawler, Multiplayer
12. Okami
- Best thing about the game: Dive into a rich, artful world inspired by Japanese folklore and illustrated in a sumi-e painting style.
- Type: Desktop
- Developer: Clover Studio
- Publisher: Capcom
- Supported Operating System(s): Windows, PlayStation, Xbox, Switch
- Release Date: April 20, 2006
- Genre: Action-Adventure
13. Orwell
- Best thing about the game: Step into the shoes of a state operative and monitor potential threats in this surveillance simulation.
- Type: Desktop
- Developer: Osmotic
- Publisher: Surprise Attack
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: October 20, 2016
- Genre: Simulation, Adventure
14. Onward
- Best thing about the game: Immerse yourself in a military simulation VR shooter where tactics and teamwork are key.
- Type: Desktop
- Developer: Downpour Interactive
- Publisher: Downpour Interactive
- Supported Operating System(s): Windows
- Release Date: August 29, 2016
- Genre: First-person Shooter, VR
15. Octodad: Dadliest Catch
- Best thing about the game: Navigate daily life as an octopus disguised as a human, trying to keep your marine identity secret.
- Type: Desktop
- Developer: Young Horses
- Publisher: Young Horses
- Supported Operating System(s): Windows, macOS, Linux, PlayStation, Xbox, Switch, iOS, Android
- Release Date: January 30, 2014
- Genre: Adventure, Indie
16. OneShot
- Best thing about the game: Embark on a unique RPG adventure where choices matter and the game world is aware of its existence as a program.
- Type: Desktop
- Developer: Little Cat Feet
- Publisher: Degica
- Supported Operating System(s): Windows, macOS
- Release Date: December 8, 2016
- Genre: Adventure, Puzzle
17. Opus Magnum
- Best thing about the game: Solve intricate puzzles by designing alchemical machines in a steampunk world.
- Type: Desktop
- Developer: Zachtronics
- Publisher: Zachtronics
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: December 7, 2017
- Genre: Puzzle, Strategy
18. Owlboy
- Best thing about the game: Traverse the skies in this heartfelt pixel-art platformer adventure.
- Type: Desktop
- Developer: D-Pad Studio
- Publisher: D-Pad Studio
- Supported Operating System(s): Windows, macOS, Linux, PlayStation, Xbox, Switch
- Release Date: November 1, 2016
- Genre: Platformer, Adventure
19. Osiris: New Dawn
- Best thing about the game: Explore and colonize alien worlds in this open-world sci-fi survival game.
- Type: Desktop
- Developer: Fenix Fire Entertainment
- Publisher: Reverb Triple XP
- Supported Operating System(s): Windows
- Release Date: September 28, 2016
- Genre: Survival, Adventure
20. One Piece Pirate Warriors Series
- Best thing about the game: Experience the adventures of Luffy and his crew in this action-packed game adaptation of the popular anime and manga.
- Type: Desktop
- Developer: Omega Force
- Publisher: Bandai Namco Entertainment
- Supported Operating System(s): Windows, PlayStation, and Switch
- Release Date: (Starting from the first title) September 21, 2011
- Genre: Action, Beat ’em up
21. Offworld Trading Company
- Best thing about the game: A real-time strategy game where economic warfare is as crucial as military might.
- Type: Desktop
- Developer: Mohawk Games
- Publisher: Stardock
- Supported Operating System(s): Windows, macOS
- Release Date: April 28, 2016
- Genre: Real-time Strategy, Economic Simulation
22. Omensight
- Best thing about the game: Play as the Harbinger and decide the fate of the world by investigating its destruction.
- Type: Desktop
- Developer: Spearhead Games
- Publisher: Spearhead Games
- Supported Operating System(s): Windows, PlayStation, Xbox, Switch
- Release Date: May 15, 2018
- Genre: Action, RPG
23. Overlord Series
- Best thing about the game: Step into the shoes of an evil overlord, controlling minions and wreaking havoc.
- Type: Desktop
- Developer: Triumph Studios, Codemasters
- Publisher: Codemasters
- Supported Operating System(s): Windows, PlayStation, Xbox
- Release Date: (Starting from Overlord) June 26, 2007
- Genre: Action RPG, Strategy
24. OlliOlli Series
- Best thing about the game: A series of skateboarding video games that challenge precision and reflexes.
- Type: Desktop/Mobile
- Developer: Roll7
- Publisher: Devolver Digital, Good Shepherd Entertainment
- Supported Operating System(s): Windows, macOS, PlayStation, Xbox, Switch, iOS, Android
- Release Date: (Starting from OlliOlli) January 21, 2014
- Genre: Sports, Arcade
25. Observation
- Best thing about the game: Play as an AI named S.A.M. and assist the crew of a space station uncover a mysterious event.
- Type: Desktop
- Developer: No Code
- Publisher: Devolver Digital
- Supported Operating System(s): Windows, PlayStation
- Release Date: May 21, 2019
- Genre: Adventure, Puzzle
26. Out There
- Best thing about the game: A strategy game set in space, focusing on survival and resource management.
- Type: Desktop/Mobile
- Developer: Mi-Clos Studio
- Publisher: Mi-Clos Studio
- Supported Operating System(s): Windows, macOS, Linux, iOS, Android
- Release Date: February 27, 2014
- Genre: Strategy, Adventure
27. Outcast
- Best thing about the game: An open-world action-adventure that pioneered many graphics technologies.
- Type: Desktop
- Developer: Appeal
- Publisher: Infogrames
- Supported Operating System(s): Windows
- Release Date: July 31, 1999
- Genre: Action-Adventure
28. Oniken
- Best thing about the game: A throwback to classic 8-bit platformers, featuring hard challenges and fast-paced action.
- Type: Desktop
- Developer: JoyMasher
- Publisher: JoyMasher
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: February 5, 2014
- Genre: Action, Platformer
29. Okhlos
- Best thing about the game: Lead an angry mob of Greeks seeking to overthrow the oppressive gods of Olympus.
- Type: Desktop
- Developer: Coffee Powered Machine
- Publisher: Devolver Digital
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: August 18, 2016
- Genre: Action, Strategy
30. Old Man’s Journey
- Best thing about the game: A beautiful puzzle adventure that reflects on life, loss, and hope.
- Type: Desktop/Mobile
- Developer: Broken Rules
- Publisher: Broken Rules
- Supported Operating System(s): Windows, macOS, iOS, Android, Switch, PlayStation
- Release Date: May 18, 2017
- Genre: Puzzle, Adventure
31. Overgrowth
- Best thing about the game: Experience fluid acrobatics and brutal martial arts in a game where you play as a ninja rabbit.
- Type: Desktop
- Developer: Wolfire Games
- Publisher: Wolfire Games
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: October 16, 2017
- Genre: Action, Adventure
32. Oceanhorn: Monster of Uncharted Seas
- Best thing about the game: Embark on an epic adventure in a world filled with puzzles, monsters, and a touching story.
- Type: Desktop/Mobile
- Developer: Cornfox & Bros.
- Publisher: FDG Entertainment
- Supported Operating System(s): Windows, macOS, iOS, Android, PlayStation, Xbox, Switch
- Release Date: November 14, 2013
- Genre: Action-Adventure
33. Organ Trail
- Best thing about the game: Navigate post-apocalyptic America in this retro zombie survival game.
- Type: Desktop/Mobile
- Developer: The Men Who Wear Many Hats
- Publisher: The Men Who Wear Many Hats
- Supported Operating System(s): Windows, macOS, Linux, iOS, Android
- Release Date: March 19, 2013
- Genre: Strategy, Survival
34. Omerta: City of Gangsters
- Best thing about the game: Build a criminal empire in the 1920s Prohibition-era of Atlantic City.
- Type: Desktop
- Developer: Haemimont Games
- Publisher: Kalypso Media
- Supported Operating System(s): Windows, macOS, Xbox
- Release Date: February 1, 2013
- Genre: Simulation, Strategy
35. Omikron: The Nomad Soul
- Best thing about the game: Experience an adventure blending shooting, fighting, and exploring in a futuristic universe.
- Type: Desktop
- Developer: Quantic Dream
- Publisher: Eidos Interactive
- Supported Operating System(s): Windows, Dreamcast
- Release Date: November 3, 1999
- Genre: Adventure, Action
36. Onimusha Series
- Best thing about the game: Wield a samurai sword and battle demons in feudal Japan.
- Type: Desktop
- Developer: Capcom
- Publisher: Capcom
- Supported Operating System(s): Windows, PlayStation, Xbox
- Release Date: (Starting from Onimusha: Warlords) January 25, 2001
- Genre: Action-Adventure
37. Outland
- Best thing about the game: Master the powers of light and dark in this fast-paced platformer.
- Type: Desktop
- Developer: Housemarque
- Publisher: Ubisoft
- Supported Operating System(s): Windows, PlayStation, Xbox
- Release Date: April 27, 2011
- Genre: Platformer
38. Out There Somewhere
- Best thing about the game: Utilize a teleportation gun to navigate through challenging platformer puzzles.
- Type: Desktop
- Developer: MiniBoss
- Publisher: EQGAMES
- Supported Operating System(s): Windows
- Release Date: March 14, 2016
- Genre: Platformer, Puzzle
39. Order of Battle: World War II
- Best thing about the game: Command armies in detailed and historically accurate battles of WWII.
- Type: Desktop
- Developer: The Artistocrats
- Publisher: Slitherine Ltd.
- Supported Operating System(s): Windows, macOS
- Release Date: April 23, 2015
- Genre: Strategy, Wargame
40. Our Darker Purpose
- Best thing about the game: Traverse the dark halls of Edgewood Home in this top-down rogue-like RPG.
- Type: Desktop
- Developer: Avidly Wild Games
- Publisher: Avidly Wild Games
- Supported Operating System(s): Windows
- Release Date: January 29, 2014
- Genre: RPG, Rogue-like
41. Overfall
- Best thing about the game: Embark on a journey in a world of islands, meeting peculiar characters and engaging in strategic combats.
- Type: Desktop
- Developer: Pera Games
- Publisher: Pera Games
- Supported Operating System(s): Windows, macOS
- Release Date: May 17, 2016
- Genre: Strategy, RPG
42. Owl’s Midnight Journey
- Best thing about the game: Control an owl in its serene journey through the night, avoiding obstacles and collecting items.
- Type: Mobile
- Developer: Creasaur Entertainment Co.
- Publisher: Creasaur Entertainment Co.
- Supported Operating System(s): iOS, Android
- Release Date: November 18, 2016
- Genre: Adventure, Casual
43. One Dog Story
- Best thing about the game: Experience an action-platformer where you play as a dog with amnesia trying to discover his past.
- Type: Desktop
- Developer: Big Way Games
- Publisher: Big Way Games
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: April 28, 2017
- Genre: Platformer, Action
44. Operencia: The Stolen Sun
- Best thing about the game: Dive into a classic first-person dungeon-crawler inspired by Central European mythology.
- Type: Desktop
- Developer: Zen Studios
- Publisher: Zen Studios
- Supported Operating System(s): Windows, Xbox, PlayStation, Switch
- Release Date: March 29, 2019
- Genre: RPG, Adventure
45. On the Rain-Slick Precipice of Darkness Series
- Best thing about the game: An episodic RPG-adventure series set in a comedic steampunk universe.
- Type: Desktop
- Developer: Hothead Games, Zeboyd Games
- Publisher: Hothead Games
- Supported Operating System(s): Windows, macOS, Xbox, Linux
- Release Date: (Starting from Episode 1) May 21, 2008
- Genre: RPG, Adventure
46. On Rusty Trails
- Best thing about the game: Play as a robot wearing a raincoat as you platform your way through challenging levels.
- Type: Desktop
- Developer: Black Pants Studio
- Publisher: Black Pants Studio
- Supported Operating System(s): Windows, macOS, Linux
- Release Date: June 13, 2016
- Genre: Platformer
47. One More Dungeon
- Best thing about the game: Delve into a first-person shooter dungeon crawler with pixel art graphics and rogue-like elements.
- Type: Desktop
- Developer: Stately Snail
- Publisher: Ratalaika Games, GrabTheGames
- Supported Operating System(s): Windows, macOS, Linux, PlayStation, Xbox, Switch
- Release Date: November 23, 2015
- Genre: Shooter, Rogue-like
48. One Finger Death Punch Series
- Best thing about the game: Experience intense two-button combat where timing is everything.
- Type: Desktop
- Developer: Silver Dollar Games
- Publisher: Silver Dollar Games
- Supported Operating System(s): Windows, Xbox
- Release Date: (Starting from the first title) March 3, 2014
- Genre: Action, Fighting
49. Out of Reach
- Best thing about the game: Stranded on an island, gather resources, build, and survive against nature and other players.
- Type: Desktop
- Developer: Space Boat Studios
- Publisher: Space Boat Studios
- Supported Operating System(s): Windows
- Release Date: July 20, 2015
- Genre: Survival, Multiplayer
50. Out of This World (Also known as Another World)
- Best thing about the game: Navigate through an alien planet in this cinematic platformer, using brains over brawn.
- Type: Desktop/Mobile
- Developer: Éric Chahi
- Publisher: Delphine Software, Interplay, The Digital Lounge
- Supported Operating System(s): Windows, macOS, iOS, Android, Console platforms
- Release Date: 1991
- Genre: Action, Platformer
Explore More A-Z Video Games:
A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – Q – R – S – T – U – V – W – X – Y – Z
All PC and Mobile Video Games Starting With O
- Overwatch
- Offline
- Old Gods Rising
- Ostranauts
- One Hand Clapping
- Orcs Must Die! Unchained
- Orwell’s Animal Farm
- Oh My Git!
- One Finger Death Punch 2
- Observer
- Orbi Universo
- Out of the Park Baseball 17
- OMSI
- overclocking
- Okami HD
- Obduction
- Outriders
- Okhlos
- Oddworld: Munch’s Oddysee
- Ooblets
- Outriders Worldslayer
- Old School Musical
- Outcast 2: A New Beginning
- Out There: Oceans of Time
- Ocean’s Heart
- Old Man’s Journey
- Overcooked! All You Can Eat
- OCO
- Omerta – City Of Gangsters
- Ode To A Moon
- Outlanders
- Oil Rush
- Out of Ammo
- Outcast
- Oxenfree 2: Lost Signals
- Operation: Tango
- Outpath
- Objects in Space
- Osiris: New Dawn
- Outpost: Infinity Siege
- Oligopoly
- Outlaws
- Oddworld: Abe’s Oddysee
- Octogeddon
- Orchids to Dusk
- Override: Mech City Brawl
- Oceanfall
- Obscure
- Oculus Go
- ODDADA
- Overcooked
- Overload
- Outcast – Second Contact
- Open Roads
- Ostriv
- Outpath: First Journey
- Old School RuneScape
- Old Skies
- Overboard
- Orange Moon
- Opus Magnum
- OPUS: Prism Peak
- Onrush
- Oxygen Not Included
- One Finger Death Punch
- One Chance
- Onirism
- oknytt
- Oxygen
- Octopus City Blues
- OFF
- Oh My Godheads
- OU
- Onde
- Ogre
- Operation Citadel
- OrbLands
- Out of the Park Baseball 18
- Omno
- Octopath Traveler
- OK/NORMAL
- OlliOlli World
- Operation Flashpoint
- Only Up!
- Old Friend
- Occupy White Walls
- One Night Stand
- Orbitals
- Overdungeon
- Ollie-Oop
- Orwell
- Over The Alps
- OpenTTD
- Overgrowth
- Outland
- Origin
- Old World
- Overfall
- Out Of Hands
- Octodad
- Oddworld: Soulstorm
- Oxenfree II: Lost Signals
- osmos
- Octopath Traveler 2
- Once, In Times Of Chaos
- Outbuddies
- Overstep
- Off The Grid
- Oxenfree
- Orphan Age
- Over Jump Rally
- Overland
- Ori and the Blind Forest
- Omensight
- Out of the Park Baseball
- Operation: Harsh Doorstep
- Orange Island
- Overpass
- Outer Wilds
- Olorun: Theocracy
- Overwatch 2
- Orangeblood
- Observer: System Redux
- Of Love And Eternity
- Over My Dead Body (For You)
- Odd Realm
- Outerverse
- Oninaki
- Outreach
- Olija
- OPUS: Echo Of Starsong
- Othercide
- Olympic Games Tokyo 2020
- Outward
- Outlast 2
- Onimusha: Warlords
- Octodad: Dadliest Catch
- Oculus Rift DK2
- Orbo’s Odyssey
- OMSI 2
- Owlboy
- Ollie & Bollie
- Observation
- Order of Magnitude
- Overwhelm
- Out There: Ω Edition
- OlliOlli
- OneShot
- Omikron: The Nomad Soul
- Off-Peak
- Oddworld: Abe’s Exoddus
- Offworld Trading Company
- Offendron Warrior
- Overcooked 2
- Omnibus
- Oikospiel Book I
- Outlast
- Onward
- One Eyed Kutkh
- Out of the Park Baseball 20
- ORX
- Octahedron
- Octodad 2
- Oceanarium
- Oculus Touch
- Onsen Master
- Orcs Must Die! 3
- Omori
- One Hour One Life
- Outcast 1.1
- Oona The Druid’s Path