| Otogirisou
| 4932345912013 | SHVC-OT | 1992-3-7
|
| Out Live: Be Eliminate Yesterday (Value 1500)
| 4907940212912 | SLPS-03282 | 2001-9-20
|
| O-Chan no Oekaki Logic 3 (Value 1500)
| 4907940212769 | SLPS-03134 | 2001-2-15
|
| O-Chan no Oekaki Logic 2 (Value 1500)
| 4907940212752 | SLPS-03117 | 2001-1-11
|
| O-Chan no Oekaki Logic (Value 1500)
| 4907940212745 | SLPS-03116 | 2001-1-11
|
| O-Chan no Oekaki Logic 2: Color mo Arimasuwa (SunKore Best)
| 4907940212202 | SLPS-02145 | 1999-7-1
|
| Out Live: Be Eliminate Yesterday (SunKore Best)
| 4907940212066 | SLPS-01732 | 1998-12-3
|
| O-Chan no Oekaki Logic: Puzzler Kanshuu (SunKore Best)
| 4907940212004 | SLPS-01568 | 1998-10-1
|
| O-Chan no Oekaki Logic 2: Color mo Arimasuwa
| 4907940211472 | SLPS-00345 | 1996-9-27
|
| Oracle no Houseki
| 4907940211441 | SLPS-00240 | 1996-12-6
|
| Out Live: Be Eliminate Yesterday
| 4907940211434 | SLPS-00746 | 1997-7-24
|
| O-Chan no Oekaki Logic: Puzzler Kanshuu
| 4907940211281 | SLPS-00093 | 1995-9-8
|
| Oh! Bakyuuun
| 4907892010819 | SLPS-02680 | 2000-4-20
|
| Otona no Gal Jan 2
| 4907859112341 | SLPM-66194 | 2005-11-23
|
| Otona no Gal Jan: Kimi ni Hane Man (Jaleco the Best)
| 4907859112334 | SLPM-62549 | 2004-11-3
|
| Option Tuning Car Battle 2 (Race the Best Vol. 2)
| 4907859108221 | SLPS-02573 | 2000-2-3
|
| Option Tuning Car Battle 2
| 4907859108191 | SLPS-01857 | 1999-2-18
|
| Omise de Tensyu
| 4907095000624 | SLPS-01876 | 1999-4-8
|
| Oshigotoshiki Jinsei Game (The Best Takara)
| 4904880140572 | SLPM-87316 | 2003-9-25
|
| Okuman Chouja Game: Nottori Daisakusen!
| 4904880138692 | | 2001-11-30
|
| Oshigotoshiki Jinsei Game
| 4904880138333 | SLPS-03056 | 2000-12-14
|
| Ore no Yacht: Ganbare! Nippon Challenge
| 4904810560456 | SLPS-02132 | 1999-10-7
|
| Ojousama Sousamou
| 4904323270194 | FXNHE616 | 1996-5-31
|
| Odoru Made in Wario
| 4902370515619 | RVL-P-RODJ | 2006-12-2
|
| Odama
| 4902370513509 | DOL-2-GOOJ | 2006-4-13
|
| Oide yo Doubutsu no Mori
| 4902370512656 | NTR-P-ADMJ | 2005-11-23
|
| Otona no DS Golf
| 4902370512540 | NTR-P-AGFJ | 2005-11-10
|
| Ouendan
| 4902370512281 | NTR-P-AOSJ | 2005-7-28
|
| Oriental Blue: Ao no Tengai
| 4902370506983 | AGB-AORJ-JPN | 2003-10-24
|
| Ougon no Taiyou: Shitsu Warate Jidai
| 4902370506037 | AGB-AGFJ-JPN | 2002-6-28
|
| Ougon no Taiyou: Hirakareshi Fuuin
| 4902370505498 | AGB-AGSJ-JPN | 2001-8-1
|
| Ogre Battle 64: Person of Lordly Caliber
| 4902370503838 | NUS-NOBJ-JPN | 1999-7-14
|
| The Outfit
| 4582253510117 | 62A-00010 | 2006-11-2
|
| Oishinbo: DS Recipe Shuu
| 4582224496372 | NTR-P-AOEJ | 2007-3-8
|
| One Piece: Gear Spirit
| 4582224491728 | NTR-P-YWPJ | 2007-8-30
|
| One Piece Unlimited Adventure
| 4582224491605 | RVL-P-RIPJ | 2007-4-26
|
| Oto o Tsunagou! Gunpey Reverse
| 4582224491353 | NTR-P-AGPJ | 2006-10-19
|
| Ougon Kishi Garo
| 4582224491056 | SLPS-20463 | 2006-4-20
|
| Ougon Kishi Garo (Limited Edition)
| 4582224491049 | SLPS-20462 | 2006-4-20
|
| Oshaberi Inko Club
| 4582127911057 | AGB-AICJ-JPN | 2002-4-26
|
| Oubunsha Deru-Jun: Koumin DS
| 4582107391510 | NTR-P-YYSJ | 2007-10-11
|
| Oubunsha Deru-Jun: Sansuu DS
| 4582107391503 | NTR-P-YY3J | 2007-10-11
|
| Obunsha Deru-jun Kokugo DS
| 4582107391435 | NTR-P-AJHJ | 2007-5-31
|
| Obunsha Deru-jun Chiri DS
| 4582107391428 | NTR-P-AIWJ | 2007-5-31
|
| Otometeki Koi Kakumei * Love Revo!! DS
| 4580277330018 | NTR-P-YLVJ | 2008-2-14
|
| Oshikake Osanadzuma 3
| 4580147190032 | | 2005-2-18
|
| Ohenro-San: Hosshin no Dojo
| 4580144130055 | | 2003-4-24
|
| Ontama: Onpu-tou Hen
| 4571255420029 | NTR-P-AO6J | 2007-6-7
|
| Only One 2: Bijin Casino Dealer Hitmoi: Sei no Roulette
| 4571159070207 | | 2005-2-18
|
| Otenki Kororin: Weather Tales
| 4571128000013 | SLPM-87047 | 2002-5-2
|