PC Games Starting with o

Here are the tracked PC games starting with the letter o. Now up to 863 titles.

Viewing page 1 of 22

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
4,738 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
1,778 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!...
Onmyoji System Requirements
986 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 ...
Out of the Park Baseball 20 System Requirements
845 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!...
Outward System Requirements
344 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...
OCTOPATH TRAVELER™ System Requirements
323 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....
OMSI 2: Steam Edition System Requirements
243 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"....
Order of Battle: World War II System Requirements
240 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....
Ori and the Blind Forest: Definitive Edition System Requirements
233 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....
Outlaws of the Old West System Requirements
186 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....
Overcooked System Requirements
131 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....
Outscape System Requirements
129 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...
OVR Toolkit System Requirements
121 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...
Outlast System Requirements
110 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...
Orcs Must Die! 2 System Requirements
102 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....
Outlast 2 System Requirements
99 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...
Operation: New Earth System Requirements
88 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...
Out of the Park Baseball 19 System Requirements
85 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 ...
Ori and the Blind Forest System Requirements
77 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....
Offworld Trading Company System Requirements
77 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
77 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
61 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?...
Onward System Requirements
58 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....
Onset System Requirements
55 Players (24 hours)
Released in 2019
Onset System Requirements
Onset is an open world multiplayer sandbox without predefined goals. Create and host your very own experience in Onset using Lua scripting functions. Whether that is Roleplay, Cops and Robbers or classic Freeroam. Or just enjoy the different gamemodes created ...
OKAMI HD / 大神 絶景版 System Requirements
51 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....
Overdungeon System Requirements
47 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
47 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!...
Osiris: New Dawn System Requirements
46 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....
One Hour One Life System Requirements
46 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 ...
Overgrowth System Requirements
44 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 II System Requirements
43 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...
Opus Magnum System Requirements
42 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...
ONE PIECE World Seeker System Requirements
37 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!...
Occupy White Walls System Requirements
36 Players (24 hours)
Released in 2018
Occupy White Walls System Requirements
To say it’s a PC sandbox-building, AI-driven MMO where people play with Art, developed by folks who are really into architecture and abstract characters… would be a bit of a mouthful....
Oriental Empires System Requirements
35 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...
openCanvas 7 System Requirements
34 Players (24 hours)
Released in 2017
openCanvas 7 System Requirements
openCanvas is a painting software dedicated to Windows Operating System, that is suitable to beginners to advanced users. Equipped with analog-like brush strokes and functional yet user-friendly interface, openCanvas has the higher basic performance and the un...
Octodad: Dadliest Catch System Requirements
31 Players (24 hours)
Released in 2014
Review Score: 69 / 100
Octodad: Dadliest Catch System Requirements
Octodad: Dadliest Catch is a game about destruction, deception, and fatherhood. The player controls Octodad, a dapper octopus masquerading as a human, as he goes about his life. Octodad's existence is a constant struggle, as he must master mundane tasks with h...
Obduction System Requirements
30 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....
Overlord System Requirements
29 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...
Games by Developer
Games by Publisher