| Level | How to unlock
|
|---|
- Desert Ruins Zone - Extra Level
| - Get all 15 Red Star Rings in this Zone.
|
- Frozen Factor - Extra Level
| - Get all 15 Red Star Rings in this Zone.
|
- Lava Mountain - Extra Level
| - Get all 120 Red Star Rings from across the game.
|
- Silent Forest - Extra Level
| - Get all 15 Red Star Rings in this Zone.
|
| - Get all 15 Red Star Rings in this Zone.
|
- Tropical Coast - Extra Level
| - Get all 15 Red Star Rings in this Zone.
|
| - Get all 15 Red Star Rings in this Zone.
|
