All MMO Games

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Title Genre User Rating  
Origins of MaluFantasy90%Official Site
Oversoul OnlineFantasy20%Official Site
Odin Quest
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Fantasy89%Official Site
Origins Return
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Sci-Fi37%Official Site
Otherland Online
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Sci-Fi90%Official Site
Overkings
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2.5D/2D Fantasy70%Official Site
Operation Gamma 41
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Strategy89%Official Site
Order of War: ChallengeFantasy90%Official Site
Outer CoreSci-Fi89%Official Site
OversoulFantasy80%Official Site
Orion’s BeltSci-Fi80%Official Site
Ogame
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Sci-Fi, 2D Sci-Fi, Free To Play, Strategy, Sim17%Official Site
Operation 7
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Shooter90%Official Site
Oasis SourceFantasy40%Official Site
OC RacingOther80%Official Site
OmertaOther60%Official Site
Ogre IslandFantasy60%Official Site
Odyssey Online ClassicFantasy68%Official Site
OutwarSci-Fi60%Official Site
Onigiri Online
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Fantasy83%Official Site
Original Blood
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Fantasy45%Official Site
Odyssey RPG
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2D Fantasy90%Official Site
Ocean Fishing
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Sports33%Official Site
Online Tennis Manager
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Sports100%Official Site
Orbital Gear
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2D Sci-Fi80%Official Site
Orcs Must Die! Unchained
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MOBA, Fantasy25%Official Site
Omens
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2.5D/2D Fantasy100%Official Site
Over 9000 Zombies!
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2D Sci-FiNot RatedOfficial Site
Outcast Odyssey
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2D Fantasy100%Official Site
Oort Online
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Other50%Official Site
Overwatch
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Shooter100%Official Site
One For Eleven
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SportsNot RatedOfficial Site
One Piece Online
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Strategy, Free To Play, 2D Fantasy75%Official Site
One Piece Online 2: Pirate King
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2D Fantasy, Strategy, Fantasy, Free To Play100%Official Site
Omega Zodiac
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2.5D/2D Fantasy, Fantasy, Free To PlayNot RatedOfficial Site
Oraco
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2.5D/2D Fantasy, Fantasy, Free To Play75%Official Site
Oblivia: The Lost city
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Free To PlayNot RatedOfficial Site
Overkill’s The Walking Dead
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Shooter100%Official Site
Order & Chaos Online
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Fantasy100%Official Site
Overwatch 2
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Shooter, Sci-Fi, Free To PlayNot RatedOfficial Site
Order & Chaos 2
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Fantasy100%Official Site
One Tower
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MOBANot RatedOfficial Site
Offworld Trading Company
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Sci-Fi, StrategyNot RatedOfficial Site
One Troll Army
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Fantasy, Strategy, Free To Play0%Official Site
Outlast II
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OtherNot RatedOfficial Site
Outward
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Fantasy, SimNot RatedOfficial Site
Overcooked
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Sim, OtherNot RatedOfficial Site
Of Kings and Men
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3D Medieval, StrategyNot RatedOfficial Site
Osiris: New Dawn
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Sci-Fi, Shooter, SimNot RatedOfficial Site
Oz: Broken Kingdom
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Fantasy, Free To Play, StrategyNot RatedOfficial Site
Owlboy
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2D FantasyNot RatedOfficial Site
Operation: New Earth
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2D Sci-Fi, Free To Play, Sci-Fi, StrategyNot RatedOfficial Site
One Piece: Legends of Pirates
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2D Fantasy, Free To Play, Fighting33%Official Site
Overload
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Free To Play, MOBA, Shooter, RacingNot RatedOfficial Site
Oceans & Empires
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Free To Play, StrategyNot RatedOfficial Site
Offensive Combat: Redux
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ShooterNot RatedOfficial Site
Onmyoji
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Fantasy, Free To PlayNot RatedOfficial Site
Orbs
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Sci-Fi, Shooter0%Official Site
Oldage
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Strategy, Free To Play, Fantasy, 2D FantasyNot RatedOfficial Site
Ori and the Will of the Wisps
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2D FantasyNot RatedOfficial Site
Outpost Zero
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Sci-Fi, ShooterNot RatedOfficial Site
Overcooked 2
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Other, Strategy, SimNot RatedOfficial Site
Outer Worlds
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Sci-Fi, ShooterNot RatedOfficial Site
One Step From Eden
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2D Fantasy, FantasyNot RatedOfficial Site
Occupy White Walls
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Free To Play, Other100%Official Site
Outlaws of the Old West
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3D Historical, Sim, ShooterNot RatedOfficial Site
One Piece Treasure Cruise
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2D Fantasy, Free To PlayNot RatedOfficial Site
Override: Mech City Brawl
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Fighting, Sci-FiNot RatedOfficial Site
Oxygen Not Included
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2D Sci-Fi, Sim100%Official Site
Onsen Master
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3D Historical, Fantasy, SimNot RatedOfficial Site
Oninaki
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FantasyNot RatedOfficial Site
Outriders
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Sci-Fi, ShooterNot RatedOfficial Site
Once Upon a Time in Roswell
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Fantasy, OtherNot RatedOfficial Site
One Finger Death Punch 2
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2D Fantasy, OtherNot RatedOfficial Site
OVERHIT
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Fantasy, Free To PlayNot RatedOfficial Site
OUTBRK
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SimNot RatedOfficial Site
Oath
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Fantasy, Free To Play0%Official Site
Out of Reach: Treasure Royale
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OtherNot RatedOfficial Site
Oddria!
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OtherNot RatedOfficial Site
Ostranauts
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2D Sci-Fi, Sci-Fi, SimNot RatedOfficial Site
Olija
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2D Fantasy, FantasyNot RatedOfficial Site
Octopath Traveler: Champions of the Continent
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2.5D/2D Fantasy, 2D Fantasy, Fantasy, Free To PlayNot RatedOfficial Site
One Punch Man: The Strongest
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2D Fantasy, Free To PlayNot RatedOfficial Site
Omega Strikers
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Free To Play, Sports, MOBANot RatedOfficial Site