Open Season Ubisoft 6.0 Jan 30, 2007 Ordyne Nintendo 7.0 May 7, 2007 Offroad Extreme -- Special Edition Conspiracy Entertainment 1.0 Dec 10, 2007 Ouchide Mugen Puti Puti NR Mar 11, 2008 Octomania Conspiracy Entertainment 7.6 Apr 25, 2008 Operation Wolf 2.0 Aug 12, 2008 One Piece: Unlimited Adventure Namco Bandai 6.8 Sep 15, 2008 Opoona KOEI 6.8 Oct 16, 2008 Order Up! Zoo Games 7.7 Oct 29, 2008 Onslaught Hudson Soft 6.0 Feb 25, 2009 Ougon no Kizuna NR Feb 27, 2009 Ongaku Smashmouth Games NR Apr 28, 2009 Obscure: The Aftermath Ignition Entertainment 7.0 May 6, 2009 Onechanbara: Bikini Zombie Slayers D3 Publisher 6.9 Jun 19, 2009 One Piece: Unlimited Cruise -- Episode 2 NR Jul 9, 2009 Offshore Tycoon Valcon Games 4.5 Jul 31, 2009 Ogre Battle: The March of the Black Queen Enix 9.0 Aug 9, 2009 Ocean Commander Valcon Games 2.0 Sep 4, 2009 Our House: Party Majesco NR Sep 22, 2009 Overlord: Dark Legend Codemasters 7.5 Feb 2, 2010 Overturn Studio Zan 5.7 Feb 3, 2010 Ogre Battle 64: Person of Lordly Caliber Atlus 9.0 Apr 16, 2010 Oops! Prank Party Hudson Soft NR Nov 1, 2010 Okami Capcom 9.0 Dec 21, 2010 Once Upon A Time Storm City Games NR One Piece: Unlimited Cruise -- Episode 1 NR Orb NR Ordyne (Arcade) Nintendo NR Outdoor Action Double Pack Mastiff NR Overflow Digital Leisure NR The Oregon Trail Gameloft NR
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