PC Games Starting with o

Here are the tracked PC games starting with the letter o. Now up to 894 titles.

Viewing page 1 of 23

Overwatch System Requirements
Released in 2016
Review Score: 91 / 100
Overwatch System Requirements
In Overwatch, you control one of several heroes in competitive 6-person team shooting matches. Battle over objectives, take down the other team, and achieve victory....
Ori and the Will of the Wisps System Requirements
559 Players (24 hours)
Released in 2020
Ori and the Will of the Wisps System Requirements
Play the critically acclaimed masterpiece. Embark on a new journey in a vast, exotic world where you’ll encounter towering enemies and challenging puzzles on your quest to unravel Ori’s destiny....
Outlast System Requirements
171 Players (24 hours)
Released in 2013
Review Score: 80 / 100
Outlast System Requirements
Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enou...
Outward System Requirements
361 Players (24 hours)
Released in 2019
Outward System Requirements
No remarkable journey is achieved without great effort. Outward is an open-world RPG where the cold of the night or an infected wound can be as dangerous as a predator lurking in the dark. Explore the vast world of Aurai, embark on memorable adventures alone o...
Overcooked! 2 System Requirements
1,907 Players (24 hours)
Released in 2018
Review Score: 80 / 100
Overcooked! 2 System Requirements
Overcooked returns with a brand-new helping of chaotic cooking action! Journey back to the Onion Kingdom and assemble your team of chefs in classic couch co-op or online play for up to four players. Hold onto your aprons… it’s time to save the world again!...
Outlast 2 System Requirements
86 Players (24 hours)
Released in 2017
Review Score: 76 / 100
Outlast 2 System Requirements
Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times...
ONE PIECE: PIRATE WARRIORS 4 System Requirements
204 Players (24 hours)
Released in 2020
ONE PIECE: PIRATE WARRIORS 4 System Requirements
ONE PIECE: PIRATE WARRIORS 4 is the latest evolution of PIRATE WARRIORS action! Based on the concept of "experiencing a real ONE PIECE battlefield," buildings will come crashing down during the action and attacks will throw up smoke and dust, placing...
Oxygen Not Included System Requirements
4,310 Players (24 hours)
Released in 2019
Oxygen Not Included System Requirements
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive....
Overcooked System Requirements
84 Players (24 hours)
Released in 2016
Review Score: 81 / 100
Overcooked System Requirements
Overcooked is a chaotic couch co-op cooking game for one to four players. Working as a team, you and your fellow chefs must prepare, cook and serve up a variety of tasty orders before the baying customers storm out in a huff....
Outer Wilds System Requirements
0 Players (24 hours)
Released in 2020
Outer Wilds System Requirements
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop....
Ori and the Blind Forest System Requirements
137 Players (24 hours)
Released in 2015
Review Score: 88 / 100
Ori and the Blind Forest System Requirements
“Ori and the Blind Forest” tells the tale of a young orphan destined for heroics, through a visually stunning action-platformer crafted by Moon Studios for PC....
OMSI 2: Steam Edition System Requirements
223 Players (24 hours)
Released in 2013
OMSI 2: Steam Edition System Requirements
Off to the next round! Experience a new omnibus simulator with OMSI 2 and start discovering Spandau while driving the omnibus. OMSI 2 is the successor of the well-known and awarded omnibus simulator "OMSI - The Bus Simulator"....
OCTOPATH TRAVELER™ System Requirements
236 Players (24 hours)
Released in 2019
OCTOPATH TRAVELER™ System Requirements
Eight travelers. Eight adventures. Eight roles to play. Embark on an epic journey across the vast and wondrous world of Orsterra and discover the captivating stories of each of the eight travelers....
Out of the Park Baseball 21 System Requirements
1,601 Players (24 hours)
Released in 2020
Out of the Park Baseball 21 System Requirements
Officially licensed by MLB, MiLB, and the MLBPA, Out of the Park Baseball 21 is a strategy & sports gaming fan’s dream come true and the only game ever to win Metacritic PC Game of the Year Award TWICE. OOTP 21 - Twenty One Years of Excellence!...
Ori and the Blind Forest: Definitive Edition System Requirements
268 Players (24 hours)
Released in 2016
Review Score: 88 / 100
Ori and the Blind Forest: Definitive Edition System Requirements
“Ori and the Blind Forest” tells the tale of a young orphan destined for heroics, through a visually stunning Action-Platformer crafted by Moon Studios....
ONE PIECE World Seeker System Requirements
17 Players (24 hours)
Released in 2019
ONE PIECE World Seeker System Requirements
Leave your compass behind and join Luffy as he embarks on a brand new action-packed adventure where you can experience the powers of the legendary Gum-Gum fruit to uncover hidden secrets on an original, never-before-seen island!...
Ostriv System Requirements
135 Players (24 hours)
Released in 2020
Ostriv System Requirements
Ostriv is a city-building game that puts you in a role of a governor of an 18th century Ukrainian town to challenge your creative skills and management abilities....
One Piece Pirate Warriors 3 System Requirements
53 Players (24 hours)
Released in 2015
One Piece Pirate Warriors 3 System Requirements
Enjoy the original story of ONE PIECE from Fuschia Village to the mysterious kingdom of Dressrosa. Will your resolution be strong enough to defeat the most dangerous pirates, including Doflamingo and many more?...
Observation System Requirements
309 Players (24 hours)
Released in 2020
Review Score: 79 / 100
Observation System Requirements
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M....
Obduction System Requirements
42 Players (24 hours)
Released in 2016
Review Score: 76 / 100
Obduction System Requirements
A new sci-fi adventure from Cyan, the creators of Myst. Abducted far across the universe, you find yourself on a broken alien landscape with odd pieces of Earth. Explore, uncover, solve, and find a way to make it home....
One Piece Burning Blood System Requirements
12 Players (24 hours)
Released in 2016
One Piece Burning Blood System Requirements
The game that all One Piece fans have been waiting for. One Piece Burning Blood is a dynamic and colourful new fighting game featuring the world’s most famous pirate: Monkey D. Luffy....
One Step From Eden System Requirements
206 Players (24 hours)
Released in 2020
One Step From Eden System Requirements
Build a powerful deck, cast spells on the fly, battle evolving enemies, find game-changing artifacts, make friends or make enemies, just make it to Eden....
OKAMI HD / 大神 絶景版 System Requirements
76 Players (24 hours)
Released in 2017
Review Score: 92 / 100
OKAMI HD / 大神 絶景版 System Requirements
Experience the critically acclaimed masterpiece with its renowned Sumi-e ink art style in breathtaking high resolution....
Operation Flashpoint: Dragon Rising System Requirements
8 Players (24 hours)
Released in 2009
Review Score: 76 / 100
Operation Flashpoint: Dragon Rising System Requirements
Operation Flashpoint: Dragon Rising is a game about a fictitious conflict on one of the Sakhalin islands....
ONE PUNCH MAN: A HERO NOBODY KNOWS System Requirements
3 Players (24 hours)
Released in 2020
ONE PUNCH MAN: A HERO NOBODY KNOWS System Requirements
The first "One Punch Man" game finally makes its debut! Dive into a dynamic fighting game experience with beloved characters from the first Season of One Punch Man! Play as your favorite hero – or become one!...
Oxenfree System Requirements
22 Players (24 hours)
Released in 2016
Review Score: 80 / 100
Oxenfree System Requirements
Oxenfree is a supernatural thriller about a group of friends who unwittingly open a ghostly rift. You are Alex, and you’ve just brought your new stepbrother Jonas to an overnight island party gone horribly wrong....
Old Gods Rising System Requirements
5 Players (24 hours)
Released in 2020
Old Gods Rising System Requirements
As the consultant for a maverick director's new film: "Old Gods Rising," Professor Tom Winston arrives at Ashgate University to find that things are not quite as they seem. Has he become the unwitting star of Kayfer’s latest project?  Or, has he ...
One Piece: Unlimited World Red - Deluxe Edition System Requirements
1 Players (24 hours)
Released in 2017
One Piece: Unlimited World Red - Deluxe Edition System Requirements
A remaster of the latest installment of the “Unlimited” series, with over 50 DLC’s included...
Octave System Requirements
1 Players (24 hours)
Released in 2016
Octave System Requirements
Octave is a point 'n click horror-adventure game with elements of action. Dark woods, monsters, paranormal activity, nice puzzles - all this is present in the game....
Orcs Must Die! 2 System Requirements
160 Players (24 hours)
Released in 2012
Review Score: 83 / 100
Orcs Must Die! 2 System Requirements
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment....
Overgrowth System Requirements
33 Players (24 hours)
Released in 2017
Overgrowth System Requirements
Feel like the star of a martial arts film in Overgrowth, as you jump, kick, throw, and slash your way to victory. Free the rabbits from their evil overlords in the main story, then play through the prequel story, and finally, try out nine years of mods develop...
Outlaws of the Old West System Requirements
146 Players (24 hours)
Released in 2019
Outlaws of the Old West System Requirements
Outlaws of the Old West is a massively multiplayer survival MMO with a huge world, thousands of items and a modular building system. Survive the wild, build your own homestead, defeat villainous bandits and work with others to tame the Wild West....
Oriental Empires System Requirements
74 Players (24 hours)
Released in 2017
Review Score: 74 / 100
Oriental Empires System Requirements
Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religi...
One Hour One Life System Requirements
33 Players (24 hours)
Released in 2018
One Hour One Life System Requirements
A multiplayer survival game of parenting and civilization building. Get born to another player as your mother. Live an entire life in one hour. Have babies of your own in the form of other players. Leave a legacy for the next generation as you help to rebuild ...
Osiris: New Dawn System Requirements
18 Players (24 hours)
Released in 2016
Osiris: New Dawn System Requirements
An uncompromising open universe space survival game that takes place during the year 2078. Explore the Gliese 581 solar system and colonize its worlds of incredible wonders while braving the unforgiving dangers of space....
Oddworld: New 'n' Tasty System Requirements
11 Players (24 hours)
Released in 2015
Review Score: 87 / 100
Oddworld: New 'n' Tasty System Requirements
Built from scratch, enjoy breathtaking visuals, enhanced audio and improved, deeper gameplay as New 'n' Tasty reignites the original Oddworld: Abe's Oddysee using the latest next-generation technology....
Out of the Park Baseball 20 System Requirements
544 Players (24 hours)
Released in 2019
Out of the Park Baseball 20 System Requirements
Officially licensed by MLB, MiLB and the MLBPA, OOTP 20 is a baseball & strategy gaming fan's dream come true and the only game ever to win the Metacritic PC Game of the Year Award TWICE. Out of the Park Baseball 20 - Twenty Years of Excellence!...
Orwell: Keeping an Eye On You System Requirements
100 Players (24 hours)
Released in 2016
Review Score: 77 / 100
Orwell: Keeping an Eye On You System Requirements
Big Brother has arrived - and it’s you. Investigate the lives of citizens to find those responsible for a series of terror attacks. Information from the internet, personal communications and private files are all accessible to you. But, be warned, the inform...
OneShot System Requirements
42 Players (24 hours)
Released in 2016
Review Score: 81 / 100
OneShot System Requirements
OneShot is a surreal top down Puzzle/Adventure game with unique gameplay capabilities. You are to guide a child through a mysterious world on a mission to restore its long-dead sun. The world knows you exist....
Odd Realm System Requirements
22 Players (24 hours)
Released in 2019
Odd Realm System Requirements
Odd Realm is a settlement simulation game set in a procedurally generated, fantasy world where you control a group of Settlers to build, explore, and survive... probably......
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