| title | developer | year | game type | | pop. |
|---|
| Pac-Man World 2 | Namco | 2002 | Xbox | platformer | | | | |
| Pac-Man World 3 | Blitz Games | 2005 | Xbox | action/reflex | | | | |
| Pac-Man World Rally | Namco | 2005 | Xbox | action/reflex racing/driving | | | | |
| Painkiller: Hell Wars | People Can Fly | 2006 | Xbox | shooter Fantasy | image | subject | label | |
| Panzer Dragoon Orta | Smilebit | 2003 | Xbox | shooter Fantasy | image | subject | label | |
| Panzer Elite Action: Fields of Glory | ZootFly | 2006 | Xbox | action/reflex simulation Historical | | | label | |
| Pariah | Digital Extremes | 2005 | Xbox | Science Fiction | image | subject | label | |
| Pariah 2 | Digital Extremes | 2005 | Xbox | shooter | | | | |
| Payout Poker & Casino | Namco | 2005 | Xbox | casino/cards | | | | |
| PBA Bowling 2004 | Bethesda Softworks | 2005 | Xbox | sport | | | label | |
| Perfect Dark Zero | Rare | 2005 | Xbox | shooter | | | label | |
| Peter Jackson's King Kong | Ubisoft | 2005 | Xbox | action/reflex adventure | image | subject | label | |
| PetitCopter | Aqua System | 2002 | Xbox | | image | | | |
| Phantasy Star Online Episode I & II | Sega | 2003 | Xbox | role-play | image | subject | label | |
| Phantom Crash | Genki | 2002 | Xbox | action/reflex simulation Science Fiction | image | subject | label | |
| Phantom Dust | Microsoft Game Studios | 2005 | Xbox | action/reflex adventure Fantasy | image | subject | label | |
| Pillage | Zed Two | 2005 | Xbox | strategy | | | | |
| Pilot Down: Behind Enemy Lines | DreamCatcher Interactive | 2004 | Xbox | action/reflex simulation | image | | | |
| Pinball Hall of Fame | FarSight Studios | 2004 | Xbox | action/reflex | image | | label | |
| Pipeline | ? | 2004 | Xbox | puzzle | | | | |
| Pirates of the Caribbean | Akella | 2003 | Xbox | adventure | image | subject | label | |
| Pirates of the Caribbean: The Legend of Jack Sparrow | Buena Vista Games;7 Studios | 2006 | Xbox | beat 'em up adventure | | | label | |
| Pirates: The Legend of Black Kat | Westwood | 2002 | Xbox | action/reflex | image | subject | label | |
| Pitfall Harry | Edge of Reality | 2004 | Xbox | adventure Cartoon | image | | label | |
| Pitfall: The Lost Expedition | Edge of Reality | 2004 | Xbox | adventure | image | subject | label | |
| Plague of Darkness | WideScreen Games | 2004 | Xbox | action/reflex Manga | | | | |
| Platinum Family Hits: Sonic Heroes & Super Monkey Ball Deluxe | Sega | 2005 | Xbox | | | | label | |
| Platinum Family Hits: Sonic Mega Collection Plus & Super Monkey Ball Deluxe | Sega | 2005 | Xbox | | | | label | |
| Playboy: The Mansion | Cyberlore Studios | 2005 | Xbox | simulation manag./econ. | image | | label | |
| Plus Plum 2 | Takuyo | 2004 | Xbox | puzzle | | | | |
| Pocketbike Racer | Blitz Arcade | 2006 | Xbox | racing/driving | image | | | |
| Pool Paradise: International Edition | Awesome Studios | 2006 | Xbox | sport | | | | |
| Pool Shark 2 | Blade Interactive | 2006 | Xbox | sport | | | | |
| Powerdrome | Argonaut Games | 2004 | Xbox | racing/driving | image | | label | |
| Predator: Concrete Jungle | Eurocom Entertainment Software | 2005 | Xbox | action/reflex adventure Science Fiction | image | | label | |
| Prince of Persia: The Sands of Time | Ubi Soft Montreal | 2003 | Xbox | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: The Two Thrones | Ubisoft | 2005 | Xbox | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: Warrior Within | Ubisoft Montreal | 2004 | Xbox | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prisoner of War | Wide Games | 2002 | Xbox | action/reflex Historical | image | subject | label | |
| Pro Beach Soccer | PAM Development | 2003 | Xbox | sport | image | | label | |
| Pro Cast: Sports Fishing Game | Capcom Production Studio 3 | 2003 | Xbox | sport | image | subject | label | |
| Pro Evolution Soccer 4 | Konami TYO | 2004 | Xbox | sport | image | | label | |
| Pro Evolution Soccer 5 | Konami | 2005 | Xbox | sport | image | subject | label | |
| Pro Fishing Challenge | Atlus Software | 2004 | Xbox | sport | | | | |
| Pro Race Driver | Codemasters | 2003 | Xbox | racing/driving | | subject | label | |
| Project Delta | Playlogic | 2004 | Xbox | shooter | | | | |
| Project Eden | CORE Design Limited | 2004 | Xbox | action/reflex Manga | | | | |
| Project Gotham Racing | Bizarre Creations | 2001 | Xbox | racing/driving 3D | image | | label | |
| Project Gotham Racing 2 | Bizarre Creations | 2003 | Xbox | racing/driving | image | subject | | |
| Project Nomads | Radon Labs | 2004 | Xbox | action/reflex Manga | | | label | |
| Project Snap | WideScreen Games | 2004 | Xbox | shooter | | | | |
| Project Zero II: Crimson Butterfly - Director's Cut | Tecmo | 2004 | Xbox | adventure Horror | image | subject | label | |
| Project: Snowblind | Crystal Dynamics | 2005 | Xbox | shooter | image | | label | |
| ProStroke Golf: World Tour 2007 | Gusto Games | 2006 | Xbox | sport | | | label | |
| Psi-Ops: The Mindgate Conspiracy | Midway Games | 2004 | Xbox | action/reflex shooter adventure Science Fiction | | subject | label | |
| Psychonauts | Double Fine Productions | 2005 | Xbox | action/reflex platformer Humorous | image | subject | label | |
| Psyvariar 2: Extend Edition | NuClearVision | 2004 | Xbox | shooter | image | | label | |
| Pulse Racer | Jaleco Entertainment | 2002 | Xbox | racing/driving | image | subject | | |
| Pump It Up: Exceed | Andamiro Entertainment | 2005 | Xbox | rhythm | image | | | |
| Pumpkin Man | Metro 3D | 2005 | Xbox | action/reflex | | | | |
| Pure Pinball | Iridon Interactive | 2004 | Xbox | action/reflex | | | label | |
| Putt Nutz | Black Mountain Games | 2004 | Xbox | action/reflex sport | | | | |
| Puyo Pop Fever | Sonic Team | 2004 | Xbox | puzzle | image | | label | |
