O'Leary Manager 2000
Game Boy ColorOddworld Adventures 2
Game Boy ColorOhasuta Dance Dance Revolution GB
Game Boy ColorUNPUBLISHED
Ohasuta Yama-chan & Raymond
Game Boy ColorUNPUBLISHED
Oide Rascal
Game Boy ColorUNPUBLISHED
Ojarumaru - Mangan Jinja no Ennichi de Ojaru!
Game Boy ColorUNPUBLISHED
Ojarumaru - Tsukiyo ga Ike no Takaramono
Game Boy ColorUNPUBLISHED
Orbital Diagnostic System
Game Boy ColorUNPUBLISHED
Original Moorhuhn Jagd, Die
Game Boy ColorOthello Millennium
Game Boy ColorUNPUBLISHED
Ottifanten: Kommando Stoertebeker
Game Boy ColorOu Dorobou Jing - Angel Version
Game Boy ColorUNPUBLISHED
Ou Dorobou Jing - Devil Version
Game Boy ColorUNPUBLISHED
Owarai Yoiko no Geemumichi - Oyaji Sagashite 3 Choume
Game Boy ColorUNPUBLISHED