188-1 Cartridge for Gameboy Advance. Label on cart shows Karateka, Dr Mario and Megaman.
Cartridge only in very good condition.
For decades we have avoided listing these kinds of counterfeit multiple game cartridges, but now that emulation have made most games available online, they have become collectible in their own right. Often these cartridges have strange variations of original games, and even completely new games based on popular themes.