| One Piece: Unlimited Cruise | 2008 | Ganbarion |
| One Piece: Unlimited Cruise 1 – The Treasure Beneath the Waves | 2008 | Hudson Soft |
| One Piece: Unlimited Cruise 2 – Awakening of a Hero | 2009 | Ganbarion |
| OneChanbara: Bikini Zombie Slayers | 2008 | Tamsoft |
| Onslaught | 2009 | Quintet |
| Open Season | 2006 | Ubisoft Montreal |
| Opoona | 2007 | ArtePiazza |
| Orbient | 2006 | skip Ltd. |
| Order Up! | 2008 | SuperVillain Studios |
| Osouji Sentai Clean Keeper | 2008 | Lupinus, Idea Factory |
| Othello | 2009 | Arc System Works |
| Outdoor Action Double Pack | 2010 | Mastiff |
| Overlord: Dark Legend | 2009 | Climax Studios |
| Overturn | 2008 | Studio Zan |
| Pac 'n Roll | 2005 | Namco |
| Pac-Man Party | 2010 | Namco Networks |
| Pacific Liberator | 2009 | Team6 Game Studios |
| Pajama Sam: No Need to Hide When It's Dark Outside | 1996 | Humongous Entertainment |
| Pallurikio | 2009 | Playstos Entertainment |
| Pandora's Tower | 2011 | Ganbarion |
| Paper Mario | 2000 | Intelligent Systems |
| Paper Wars: Cannon Fodder | 2010 | Draw Distance |
| Party Pigs: FarmYard Games | 2009 | Neckar |
| Paws & Claws Pet Resort | 2008 | THQ |
| Paws & Claws: Pet Vet | 2008 | Neopica |
| Paws & Claws: Pet Vet | 2005 | Raylight Games, Independent Arts Software, Nebula Device |
| PDC World Championship Darts 2008 | 2008 | Mere Mortals |
| PDC World Championship Darts 2009 | 2009 | Rebellion Developments |
| PDC World Championship Darts Pro Tour | 2010 | Rebellion Developments |
| Pearl Harbor Trilogy – 1941: Red Sun Rising | 2010 | Legendo Entertainment AB |
| Pemulwuy Dream Team | 2009 | Andy Nicholson |
| Penguins & Friends: Hey! That's My Fish! | 2009 | Gammick Entertainment |
| Penny Racers Party: Turbo Q Speedway | 2008 | Tomy |
| Pet Pals: Animal Doctor | 2008 | Legacy Interactive |
| Peter Pan's Playground | — | Phoenix Games Ltd. |
| Petit Copter | 2002 | Arc System Works |
| Petz Sports: Dog Playground | 2008 | Ubisoft |
| Petz: Catz 2 | 2007 | Yuke's |
| Petz: Crazy Monkeyz | 2008 | YSK |
| Petz: Crazy Monkeyz | 2008 | Ubisoft |
| Petz: Dogz 2 | 2007 | Yuke's |
| Petz: Horse Club | 2008 | Phoenix Interactive Entertainment |
| Phantom Brave | 2004 | Nippon Ichi Software |
| Pheasants Forever Wingshooter | 2010 | High Voltage Software |
| Phelios | 1989 | Hamster Corporation, Namco |
| Phineas and Ferb: Across the 2nd Dimension | 2011 | High Impact Games |
| Phoenix Wright: Ace Attorney | 2001 | Capcom |
| Pictionary | 2010 | Page 44 Studios |
| PictureBook Games: Pop-Up Pursuit | 2009 | Grounding |
| Pikmin | 2001 | Nintendo Entertainment Analysis & Development |
| Pikmin 2 | 2004 | Nintendo Entertainment Analysis & Development |
| Pimp My Ride | 2006 | Eutechnyx |
| Pinball Hall of Fame: The Gottlieb Collection | 2004 | FarSight Studios |
| Pinball Hall of Fame: The Williams Collection | 2008 | FarSight Studios |
| Pippa Funnell: Ranch Rescue | 2007 | Phoenix Games Studio |
| Pirate Blast | 2011 | Zoo Corporation |
| Pirates of the Caribbean: At World's End | 2007 | Eurocom |
| Pirates Plund-Arrr | 2010 | Boomzap Entertainment |
| Pirates vs. Ninjas Dodgeball | 2008 | Blazing Lizard |
| Pirates: Hunt for Blackbeard's Booty | 2008 | Mad Monkey Studio |