| Oha Star Dance Dance Revolution GB
| 4542084000065 | CGB-BD5J-JPN | 2001-2-8
|
| Oja Majo Do-Re-Mi Dokkaan! Nijiiro Para-dice
| 4543112136640 | SLPS-03497 | 2002-11-28
|
| One Piece Grand Battle! 3
| 4543112204523 | DOL-P-GOGJ | 2003-12-11
|
| One Piece: Going Baseball: Kaizoku Yakyuu
| 4543112240484 | | 2004-3-11
|
| Onmyou Taisenki Zeroshiki
| 4543112240552 | AGB-BITJ-JPN | 2004-12-9
|
| One Piece Grand Battle! Rush
| 4543112328366 | SLPS-25473 | 2005-3-17
|
| One Piece Grand Battle! Rush
| 4543112328373 | DOL-P-GOPJ | 2005-3-17
|
| Onmyou Taisenki: Hakko Enbu (EyeToy Bundle)
| 4543112328458 | SLPS-20416 | 2005-3-31
|
| One Piece Dragon Dream
| 4543112328526 | | 2005-4-28
|
| Onmyou Taisenki: Hasha no In
| 4543112341570 | SLPS-25501 | 2005-6-23
|
| One Piece: Pirates Carnival
| 4543112378910 | SLPS-25576 | 2005-11-23
|
| One Piece: Pirates Carnival
| 4543112378927 | DOL-P-GIPJ | 2005-11-23
|
| Only You (Best Hit Selection)
| 4543943000134 | SLPM-66162 | 2005-10-20
|
| Onemuri Sister
| 4560100331092 | | 2004-12-10
|
| Okusama wa Oneechan!?
| 4560100334079 | | 2004-12-10
|
| Otome no Jijou (First Print Limited Edition)
| 4560101365010 | SLPM-66507 | 2006-9-28
|
| Otome no Jijou
| 4560101365027 | SLPM-66508 | 2006-9-28
|
| Ouka
| 4560118200083 | | 2005-6-24
|
| Otome Hao Anesama ni Koi Shiteru
| 4562168541055 | SLPM-66165 | 2005-12-29
|
| Ojousama Kumikyoku: Sweet Concert
| 4562168541291 | SLPM-66726 | 2007-4-26
|
| Ojousama Kumikyoku: Sweet Concert (Special Pack Edition)
| 4562168541307 | PIO-07105 | 2007-4-26
|
| Otenki Kororin: Weather Tales
| 4571128000013 | SLPM-87047 | 2002-5-2
|
| Only One 2: Bijin Casino Dealer Hitmoi: Sei no Roulette
| 4571159070207 | | 2005-2-18
|
| Ontama: Onpu-tou Hen
| 4571255420029 | NTR-P-AO6J | 2007-6-7
|
| Ohenro-San: Hosshin no Dojo
| 4580144130055 | | 2003-4-24
|
| Oshikake Osanadzuma 3
| 4580147190032 | | 2005-2-18
|
| Otometeki Koi Kakumei * Love Revo!! DS
| 4580277330018 | NTR-P-YLVJ | 2008-2-14
|
| Obunsha Deru-jun Chiri DS
| 4582107391428 | NTR-P-AIWJ | 2007-5-31
|
| Obunsha Deru-jun Kokugo DS
| 4582107391435 | NTR-P-AJHJ | 2007-5-31
|
| Oubunsha Deru-Jun: Sansuu DS
| 4582107391503 | NTR-P-YY3J | 2007-10-11
|
| Oubunsha Deru-Jun: Koumin DS
| 4582107391510 | NTR-P-YYSJ | 2007-10-11
|
| Oshaberi Inko Club
| 4582127911057 | AGB-AICJ-JPN | 2002-4-26
|
| Ougon Kishi Garo (Limited Edition)
| 4582224491049 | SLPS-20462 | 2006-4-20
|
| Ougon Kishi Garo
| 4582224491056 | SLPS-20463 | 2006-4-20
|
| Oto o Tsunagou! Gunpey Reverse
| 4582224491353 | NTR-P-AGPJ | 2006-10-19
|
| One Piece Unlimited Adventure
| 4582224491605 | RVL-P-RIPJ | 2007-4-26
|
| One Piece: Gear Spirit
| 4582224491728 | NTR-P-YWPJ | 2007-8-30
|
| Oishinbo: DS Recipe Shuu
| 4582224496372 | NTR-P-AOEJ | 2007-3-8
|
| The Outfit
| 4582253510117 | 62A-00010 | 2006-11-2
|
| Ogre Battle 64: Person of Lordly Caliber
| 4902370503838 | NUS-NOBJ-JPN | 1999-7-14
|
| Ougon no Taiyou: Hirakareshi Fuuin
| 4902370505498 | AGB-AGSJ-JPN | 2001-8-1
|
| Ougon no Taiyou: Shitsu Warate Jidai
| 4902370506037 | AGB-AGFJ-JPN | 2002-6-28
|
| Oriental Blue: Ao no Tengai
| 4902370506983 | AGB-AORJ-JPN | 2003-10-24
|
| Ouendan
| 4902370512281 | NTR-P-AOSJ | 2005-7-28
|
| Otona no DS Golf
| 4902370512540 | NTR-P-AGFJ | 2005-11-10
|
| Oide yo Doubutsu no Mori
| 4902370512656 | NTR-P-ADMJ | 2005-11-23
|
| Odama
| 4902370513509 | DOL-2-GOOJ | 2006-4-13
|
| Odoru Made in Wario
| 4902370515619 | RVL-P-RODJ | 2006-12-2
|
| Ojousama Sousamou
| 4904323270194 | FXNHE616 | 1996-5-31
|
| Ore no Yacht: Ganbare! Nippon Challenge
| 4904810560456 | SLPS-02132 | 1999-10-7
|