Mario Kart 73ds Exclusive

Legal analyst and YouTuber "DocketDog" theorizes: "If Nintendo acknowledges 'Mario Kart 73DS,' they open themselves up to discovery requests. There likely was an internal prototype with a similar name—a test build for dual-screen asymmetric racing. Admitting it exists might force them to reveal trade secrets about the 3DS’s unused hardware capabilities. So they simply let us argue about it forever."

The game features a distinctive lineup of characters and power-ups not always found in other entries: Unique Playable Characters: Honey Queen made their only playable appearances in this title . They join other series newcomers like Metal Mario New Items: mario kart 73ds exclusive

This was not cosmetic. The handling, weight, and special item (a "Harmony Mushroom" that doubled your top speed for one second) were algorithmically tied to your voice. So they simply let us argue about it forever