Oshare Princess (J)(Chakky)
Oshaberi Inco Club (J)(Chakky)
Oriental Blue - Ao no Tengai (J)(Cezar)
Operation Armored Liberty (U)(Rising Sun)
Open Season (U)(Rising Sun)
Open Season (E)(Sir VG)
Onmyou Taisenki Zeroshiki (J)(Caravan)
Onimusha Tactics (U)(Mode7)
Onimusha Tactics (J)(Eurasia)
Onimusha Tactics (E)(Patience)
One Piece Going Baseball (J)(Eurasia)
One Piece Dragon Dream (J)(Caravan)
One Piece - Nanatsu Shima no Daihihou (J)(Cezar)
One Piece - Mezase! King of Paris (J)(Cezar)
Okuman Chouja Game (J)(Independent)
Okaitoku Series 5 - Puzzle & Tantei Collection (J)(Patience)
Ojaru Maru - Tsuki Hikari Machi Tour de Ojaru (J)(Trashman)
Ohanaya-san ni narou! (J)(kaMX)
Ohanaya-san Monogatari (J)(GBANow)
Oddworld - Munch's Oddysee (U)(Rising Sun)
Consolas
