27 Franchises 1 to 27 of 27 Franchises Olympic Games (N/A) Orcs Must Die! (N/A) Obscure (N/A) Osouji Sentai (N/A) Oddworld (N/A) Otogi (N/A) Odell (N/A) Ouendan (N/A) of Excalibur (N/A) Out of the Park Baseball (N/A) Ogre Battle (N/A) Outcast (N/A) Oil Tycoon (N/A) Outfront Series (N/A) Outlaw Golf (N/A) Omikron (N/A) Outlaw Volleyball (N/A) One Must Fall (N/A) Outrun (N/A) One Piece (N/A) OverBlood (N/A) Oneechanbara (N/A) Overlord (N/A) Onimusha (N/A) Operation Flashpoint (N/A) Ore no Imouto ga Konna ni Kawaii wake ga Nai (N/A) Original Generation (N/A)
