| Otome Hao Anesama ni Koi Shiteru
| 4520424180066 | | 2005-2-18
|
| Ouka Houshin
| 4520923010031 | T-38704M | 1999-12-16
|
| Online Pro Wrestling: Champion of the Network
| 4522174000182 | SLPM-65586 | 2004-5-6
|
| Oekaki Puzzle Battle Vol. 1: Yuusha-Oh GaoGaiGar Version
| 4526519000424 | NTR-P-AMRJ | 2005-12-8
|
| Oneesan Nakaideshi Chikan Ressha
| 4527120141131 | | 2004-12-10
|
| Ore no Shite Agake
| 4527823994386 | SLPS-25796 | 2007-6-21
|
| Ojaru-Maru DS: Ojaru to Okeiko Aiueo
| 4527823994782 | NTR-P-YO6J | 2007-12-20
|
| Oneechanbara Revolution
| 4527823994911 | RVL-P-RONJ | 2008-2-7
|
| OverBlood: 3D Active Adventure (Major Wave Series)
| 4529651000413 | SLPM-86641 | 2001-2-22
|
| The Onitaiji!!: Mezase! Nidaime Momotarou (Major Wave Series)
| 4529651000789 | SLPM-86989 | 2002-4-18
|
| Oretachi Geasen Zoku Sono 1: Scramble
| 4529651001205 | SLPM-62626 | 2005-7-21
|
| Oretachi Geasen Zoku Sono 2: Crazy Climber
| 4529651001212 | SLPM-62627 | 2005-7-21
|
| Oretachi Geasen Zoku Sono 3: Karate Michi
| 4529651001236 | SLPM-62628 | 2005-7-21
|
| Oretachi Geasen Zoku Sono 4: Time Pilot
| 4529651001243 | SLPM-62644 | 2005-7-21
|
| Oretachi Geasen Zoku Sono 5: Moon Cresta
| 4529651001250 | SLPM-62645 | 2005-7-21
|
| Oretachi Geasen Zoku Sono 6: Sonic Wings
| 4529651001267 | SLPM-62646 | 2005-7-21
|
| Oretachi Game Center Zoku: Super Volleyball
| 4529651001328 | SLPM-62660 | 2005-10-27
|
| Oretachi Game Center Zoku: Terra Cresta
| 4529651001335 | SLPM-62661 | 2005-10-27
|
| Oretachi Game Center Zoku: Burger Time
| 4529651001342 | SLPM-62695 | 2005-10-27
|
| Oretachi Game Center Zoku: Yie Ar Kung Fu
| 4529651001359 | SLPM-62696 | 2005-10-27
|
| Oretachi Geasen Zoku Sono: Quarth
| 4529651001366 | SLPM-62704 | 2006-1-26
|
| Oretachi Geasen Zoku Sono: Nekketsu Kouka Kunio-Kun
| 4529651001373 | SLPM-62706 | 2006-1-26
|
| Oretachi Geasen Zoku Sono: Nekketsu Koukou Dodge Ball Bu
| 4529651001380 | SLPM-62705 | 2006-3-23
|
| Oretachi Geasen Zoku Sono: Rabio Lepus
| 4529651001397 | SLPM-62707 | 2006-3-23
|
| Oretachi Geasen Zoku Sono: Akumajou Dracula
| 4529651001434 | SLPM-62729 | 2006-5-25
|
| Oretachi Geasen Zoku Sono: Contra
| 4529651001441 | SLPM-62730 | 2006-5-25
|
| Oretachi Geasen Zoku Sono: Pooyan
| 4529651001458 | SLPM-62731 | 2006-5-25
|
| Oretachi Game Center: Thunder Cross
| 4529651001472 | SLPM-62744 | 2007-2-8
|
| Oretachi Game Center: Trio the Punch
| 4529651001489 | SLPM-62745 | 2007-2-8
|
| Ore! Tomba
| 4535070000002 | SLPS-01144 | 1997-12-25
|
| Ookiku Furikabutte: Honto no Ace ni Nareru kamo
| 4535506300591 | NTR-P-YOFJ | 2007-12-13
|
| Osumitsuki Series: Matsuda Tadanori Onsen Kyouju Kanshuu - Zenkoku DokoDemo Onsen Techou
| 4535506300614 | NTR-P-YF6J | 2007-10-11
|
| Osumitsuki Series: Shokusai Roman Katei de Dekiru! Chomeijin - Yuumei Ryourinin no Original Recipe
| 4535506300621 | NTR-P-YNHJ | 2007-10-11
|
| Orange Honey: Boku wa Kimi ni Koishiteru (Best Collection)
| 4535506300898 | SLPS-25859 | 2008-4-24
|
| Option Tuning Car Battle
| 4536478000014 | SLPS-01207 | 1998-1-15
|
| Option Tuning Car Battle (PlayStation the Best)
| 4536478000021 | SLPS-91037 | 1998-10-8
|
| Option Tuning Car Battle Spec-R
| 4536478000083 | SLPS-02587 | 2000-5-11
|
| Option Tuning Car Battle Spec-R (Race the Best Vol. 2)
| 4536478000151 | SLPS-02951 | 2000-12-7
|
| Ojarumaru: Gekkoichou Sanpo de Ojaru
| 4536478000526 | AGB-BOJJ-JPN | 2003-9-5
|
| Ochaken no Heya
| 4536478000564 | AGB-BDRJ-JPN | 2003-12-19
|
| Oshare Wanko
| 4536478000588 | AGB-A5SJ-JPN | 2004-3-5
|
| Ochaken Kururin: Honwaka Puzzle de Hotto Shiyo
| 4536478000618 | AGB-BIKJ-JPN | 2004-10-28
|
| Ochainu no Yume Bouken
| 4536478000687 | AGB-BCUJ-JPN | 2005-4-28
|
| Ochainu no Bouken Jima
| 4536478000762 | AGB-BO2J-JPN | 2005-12-22
|
| Ochaken no Heya DS
| 4536478000793 | NTR-P-AOCJ | 2006-4-27
|
| Ochaken no Heya DS 2
| 4536478000816 | NTR-P-AOHJ | 2007-1-18
|
| Oshare na Koinu DS
| 4536478000854 | NTR-P-YNZJ | 2007-10-18
|
| Ochainu no Daibouken
| 4536478000878 | NTR-P-YOHJ | 2007-12-20
|
| Ongaku Tsukuru 3
| 4541993000043 | SLPS-03161 | 2001-3-8
|
| Oha-Studio Dance Dance Revolution
| 4542084000003 | SLPM-86603 | 2000-9-14
|