Nintendo 3DS Game Card
game card format used by Nintendo 3DS platforms. It comes in variants that are used for region specific Nintendo 3DS platforms
The 3DS Game Card (Like the DS Cartridge) is made for the Nintendo 3DS Family of systems is a white cartridge with a small notch on the top right.
The small notch is for preventing the 3DS cartridge from fitting into the Nintendo DS consoles, as they don't work for those systems.