For Game Boy Advance I played these about a year ago, and I was able to confirm that they worked. The batteries are probably dead. Please be aware that I don't have a device to test them on at the moment. No individual sales. - Game Title: Sennen Kazoku (Thousand Year Family) - Platform: Game Boy Advance - Release Year: 2005 - Game Title: Rockman EXE 5: Kernel - Platform: Game Boy Advance - Release Year: 2005 Thank you for looking.