Bringing Double Dash to Your Pocket: Mario Kart DS: GameCube Grand Prix
Technical Constraints: Due to DS hardware limitations, the "two characters per kart" mechanic from Double Dash!! is replaced by a standard single-character setup. New Content: Mario Kart Ds Gamecube Grand Prix Rom Download
For those looking to download Mario Kart ROMs, here are some reputable sources: Bringing Double Dash to Your Pocket: Mario Kart
Conclusion
Mario Kart for the Gamecube
Second-Hand Stores: Some games might be available in second-hand stores, but ensure the retailer is reputable. but ensure the retailer is reputable.