PC Games Starting with o

Here are the tracked PC games starting with the letter o. Now up to 838 titles.

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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....
Oxygen Not Included System Requirements
6,004 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! 2 System Requirements
2,092 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!...
Outward System Requirements
772 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...
Out of the Park Baseball 20 System Requirements
749 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!...
Ori and the Blind Forest: Definitive Edition System Requirements
398 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....
Order of Battle: World War II System Requirements
227 Players (24 hours)
Released in 2015
Review Score: 81 / 100
Order of Battle: World War II System Requirements
Order of Battle: World War II is a breath of fresh air for all strategy fans. It is a game that takes wargaming to a new level by upgrading every single game element and rebooting the genre for a new generation of players....
OMSI 2: Steam Edition System Requirements
204 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"....
Outlaws of the Old West System Requirements
197 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....
Overdungeon System Requirements
177 Players (24 hours)
Released in 2019
Overdungeon System Requirements
A completely new style real-time card battle "Overdungeon" Overdungeon combines rogue-like, tower defense and card games. More than 100 cards are Attack, Animal, Building, Spell, Trap, etc..Build your creative and crazy deck!...
Overdungeon 超载地牢 System Requirements
177 Players (24 hours)
Released in 2019
Overdungeon 超载地牢 System Requirements
A completely new style real-time card battle "Overdungeon" Overdungeon combines rogue-like, tower defense and card games. More than 100 cards are Attack, Animal, Building, Spell, Trap, etc..Build your creative and crazy deck!...
Outlast System Requirements
174 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...
Outscape System Requirements
160 Players (24 hours)
Released in 2019
Outscape System Requirements
Outscape is a 4X Space Strategy MMO set in a huge Persistent Online Galaxy. Experience strategic gameplay in a universe with thousands of other players. Build an empire, colonize, research, design ships, ally, trade and fight to ensure your civilization’s su...
Onmyoji System Requirements
159 Players (24 hours)
Released in 2018
Onmyoji System Requirements
Onmyoji is a turn-based fantasy strategy game with PVP or PVE battles, where you can strengthen your beloved shikigami to build your dream tactical team and defeat various demons to become the ultimate onmyoji. Cross-platform play available for both Steam and ...
Orcs Must Die! 2 System Requirements
132 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....
Overcooked System Requirements
126 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....
Out of the Park Baseball 19 System Requirements
118 Players (24 hours)
Released in 2018
Out of the Park Baseball 19 System Requirements
Out of the Park Baseball 19 - officially licensed by MLB and the MLBPA - is the 2018 entry in the world's best-rated sports gaming franchise! Guide your favorite MLB team to glory, play any historical season or compete online in Perfect Team. A baseball fan's ...
Outlast 2 System Requirements
117 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...
OVR Toolkit System Requirements
103 Players (24 hours)
Released in 2019
OVR Toolkit System Requirements
OVR Toolkit is a utility application designed to make viewing the desktop in VR simple and fast, it allows for viewing the desktop within VR, placing desktop windows around the world, mouse input, typing with a virtual keyboard, and quickly switching between w...
Operation: New Earth System Requirements
95 Players (24 hours)
Released in 2016
Operation: New Earth System Requirements
Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your str...
Ori and the Blind Forest System Requirements
87 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....
OCTOPATH TRAVELER™ System Requirements
77 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....
Open World Game: the Open World Game System Requirements
76 Players (24 hours)
Released in 2019
Open World Game: the Open World Game System Requirements
Open World Game: the Open World Game is the purest open world game experience. Enjoy simplified mechanics, minimal graphics, and an extremely short main story; all so you can get to work removing every icon from the map with the least resistance....
Oik 3 System Requirements
74 Players (24 hours)
Released in 2017
Oik 3 System Requirements
Casual physics puzzle....
Offworld Trading Company System Requirements
74 Players (24 hours)
Released in 2016
Review Score: 78 / 100
Offworld Trading Company System Requirements
Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson....
Offworld Trading Company - Free Multiplayer System Requirements
74 Players (24 hours)
Released in 2016
Review Score: 78 / 100
Offworld Trading Company - Free Multiplayer System Requirements
Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson....
One Piece Pirate Warriors 3 System Requirements
63 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?...
Opus Magnum System Requirements
62 Players (24 hours)
Released in 2017
Review Score: 90 / 100
Opus Magnum System Requirements
Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmut...
Overlord II System Requirements
59 Players (24 hours)
Released in 2009
Review Score: 79 / 100
Overlord II System Requirements
Overlord II, sequel to the critically acclaimed cult hit, sees the return of the chaotic Minions and their new Dark Master. Bigger, badder and more beautifully destructive, Overlord 2 has a Glorious Empire to smash, a massive Netherworld to revive, Minion moun...
One Hour One Life System Requirements
52 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 ...
OneShot System Requirements
50 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....
Oriental Empires System Requirements
49 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...
Overstep System Requirements
48 Players (24 hours)
Released in 2019
Overstep System Requirements
A future sport of two 3-robot teams, entertaining the crowd on super-funded arenas. Combine acrobatic tricks with weapon mastery....
Overgrowth System Requirements
48 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...
Overlord System Requirements
47 Players (24 hours)
Released in 2009
Review Score: 81 / 100
Overlord System Requirements
Prepare to be tempted, mesmerized and thrilled, become the Overlord, how corrupt you become depends on how you handle any given situation. Your actions impact the game world. With incredible power at your disposal and a team of evil minded minions to do your e...
Otaku's Adventure System Requirements
47 Players (24 hours)
Released in 2019
Otaku's Adventure System Requirements
"Otaku's Adventure" is a different kind of AVG.The story tells of an Otaku who has been single for many years and thirst for love. While he inadvertently embarks on a fantastic journey, he eventually wins girls' love....
One Finger Death Punch 2 System Requirements
44 Players (24 hours)
Released in 2019
One Finger Death Punch 2 System Requirements
The world's fastest brawler is back. Experience cinematic kung-fu in the most epic stickman fighter ever made. Staying true to the original, you play with only two buttons. Every press matters, do not button mash!...
Out of the Park Baseball 18 System Requirements
39 Players (24 hours)
Released in 2017
Review Score: 86 / 100
Out of the Park Baseball 18 System Requirements
Out of the Park Baseball 18 - officially licensed through MLB.com and the MLBPA - is the follow-up to Metacritic's PC Game of the Year 2016 and the ultimate baseball game! Guide your favorite MLB franchise to glory, play any historical season or create your ow...
Osiris: New Dawn System Requirements
38 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 travel....
Onward System Requirements
37 Players (24 hours)
Released in 2016
Onward System Requirements
Onward is a Mil-Sim paced tactical multiplayer shooter, being developed for virtual reality head mounted displays. Players will use coordination, communication, and marksmanship skill to complete objectives in online infantry combat....
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