Mario Kart 7 is exclusive to Nintendo 3DS. It cannot be played on Wii, Wii U, Switch, or any other platform. The Wii has its own entry: Mario Kart Wii (2008)—a completely different game.
| Feature | Mario Kart 7 | Mario Kart Wii |
|---|---|---|
| Platform | 3DS only | Wii only |
| Graphics | Stereoscopic 3D, 60 FPS | 480p, 60 FPS |
| Tracks | 32 (16 new, 16 retro) | 32 (16 new, 16 retro) |
| Mechanics | Gliders, underwater, customizable karts | Bikes, tricks, no gliders |
| Online | Local + Nintendo Network (shut down 2024) | Nintendo WFC (shut down 2014) |
| Players | 8 online, 2 local (download play) | 12 online, 2 local (split-screen) |
No cross-platform play, no ports, no backwards compatibility. Each Nintendo console gets its own Mario Kart.