GB Test Cart

GB Test Cart

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All releases from ASM Games are uniquely produced on custom designed hardware. We build these from the ground up using all new components that are safe for your console, and safe for your cartridge. These dedicated homebrew cartridges can not be re-flashed. You will not find donor parts, or pirate/bootleg PCBs inside of any of our releases.

A reproduction of the official Game Boy test cartridge.


  • Test Cartridge reproduction
  • Clear cartridge case protector


  • LCD Tests
  • Button testing
  • Modified font
  • Branded "Reproduction" splash screen.