Best Games by Popularity: O
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One Piece: Pirate Warriors
- Release Date: Sep 25, 2012
- Gentre: Beat-'Em-Up
One Piece: Pirate Warriors is an action game where players control the Straw Hat crew to defeat surrounding pirates. Read the Review
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Onechanbara: Bikini Samurai Squad
- Release Date: Feb 10, 2009
- Gentre: Beat-'Em-Up
Oneechanbara vorteX is an action game for the Xbox 360 from D3. Read the Review
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One Piece: Pirate Warriors 2
- Release Date: Q3 2013
- Gentre: Beat-'Em-Up
Players will be able to set off on grand adventures with well-beloved characters such as Luffy, Sanji, Zoro and the rest of the Straw Hat crew to explore and conquer island after island while traveling through the New World.
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Orcs Must Die!
- Release Date: Oct 11, 2011
- Gentre: Action
Orcs Must Die! is a fantasy action strategy game. Read the Review
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Orcs Must Die! 2
- Release Date: Jul 30, 2012
- Gentre: Action
Orcs Must Die! 2 is an action strategy game from Robot Entertainment. Read the Review
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Oni
- Release Date: Jan 29, 2001
- Gentre: Beat-'Em-Up
The plain graphics and cookie-cutter objectives can make some of the levels drag a bit, but the storyline and the sheer size of some of the game's levels make the whole package easier to swallow. Read the Review
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One Piece: Unlimited Adventure
- Release Date: Jan 22, 2008
- Gentre: Action
Join Capt. Monkey D. Luffy and his Straw Hat Pirates as they search a mysterious island for treasure. Read the Review
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Oni
- Release Date: Jan 28, 2001
- Gentre: Beat-'Em-Up
Oni features fluid, dynamic animation, some exciting combat sequences, and a fairly involving story that links everything together. However, it suffers from a few very noticeable problems. Read the Review

