Duel Monsters EXTREME by KONAMI, a game for the Game Boy Advance. - Brand: KONAMI - Game Title: Duel Monsters EXTREME - Model Number: AGB-AY5J-JPN - Model: AGB-002 The main unit is missing, so I haven't been able to confirm if it works. My child used it about 20 years ago. Also, it has been stored at home for a long time, so thank you for your understanding before purchasing ^ - ^ Thank you for viewing.