2 layers60 × 80 mmATF1502BRALXCO-Hardware/squareboiThe open hardware GB/GBC cartridge system31 parts58CC-BY-4.0
2 layers121.9 × 81.3 mmProgshieldALXCO-Hardware/squareboiThe open hardware GB/GBC cartridge system14 parts58CC-BY-4.0
2 layers21.6 × 38.1 mmRAMboardALXCO-Hardware/squareboiThe open hardware GB/GBC cartridge system4 parts58CC-BY-4.0
2 layers29.2 × 43.2 mmROMAdaptorALXCO-Hardware/squareboiThe open hardware GB/GBC cartridge system4 parts58CC-BY-4.0
2 layers22.9 × 48.3 mmROMboardALXCO-Hardware/squareboiThe open hardware GB/GBC cartridge system6 parts58CC-BY-4.0
2 layers22.9 × 54.6 mmROMboardALXCO-Hardware/squareboiThe open hardware GB/GBC cartridge system10 parts58CC-BY-4.0
2 layers72 × 139 mmSquareboi2ALXCO-Hardware/squareboiThe open hardware GB/GBC cartridge system31 parts58CC-BY-4.0