Obitus (U) [!]
Ochan no Oekaki Logic (J)
Oda Nobunaga - Haou no Gundan (J)
Oekaki Logic (J) (NP)
Oekaki Logic 2 (J) (NP)
Ogre Battle - The March of the Black Queen (U) [!]
Okamoto Ayako to Match Play Golf (J)
Olivia's Mystery (J)
Olympic Summer Games 96 (U)
On the Ball (U) [!]
Ongaku Tsukuru - Kanadeeru (J)
Onita Atsushi FMW (J)
Onizuka Katsuya Super Virtual Boxing (J)
Oozumou Tamashii (J)
Operation Europe - Path to Victory 1939-45 (U)
Operation Logic Bomb (U) [!]
Operation Thunderbolt (U)
Oraga Land Shusai - Best Farmer Shuukaku-Sai (J)
Oscar (U) [!]
Ossu!! Karatebu (J)
Othello World (J)
Otoboke Ninja Colosseum (J)
Otogirisou (J)
Out of This World (U) [!]
Out to Lunch (U)
Outlander (U)
