4-Extra: The Impossible? Maze
Map
- By carrying the crate from ★1 (at the center of Area 2) and using it as a platform, you can enter the hole F.
- By carrying the crate from ★2 (at the top-right of Area 2) and using it as a platform, you can enter the hole H.
- By carrying the crate from ★3 (at the highest of Area 2) and using it as a platform, you can enter the hole J.
Stars
Area 1 ×10
- Inside the Winged Cloud, found after entering from D ×5
- Inside the Winged Cloud at the highest of the Mole Tank course after entering from F ×5
Area 2 ×18
- Inside the central crate, found after exiting from E ×6
- Inside the top-right crate, found after passing the Mole Tank course and exiting from G ×6
- Inside the topmost crate, found after passing the Helicopter course and exiting from I ×6
Red Conis
Area 1 ×12
- Just above after entering from B ×2
- While moving left after entering from B ×4
- On the path of the Mole Tank course after entering from F ×2
- On the path of the Helicopter course after entering from H ×4
Area 2 ×8
- After falling from the hole at the middle-right ×4
- Located above the bottom-right flipper, after jumping up by using the crate (★1) as a platform ×2
- Use the Flashing Eggs, found after passing the Helicopter course and exiting from I ×2
Flowers
Area 1 ×3
- Just above after entering from B
- At the far top-left after entering from B
- At the lowest point after entering from J
Area 2 ×2
- While descending to the bottom-right after exiting from C
- Located above the bottom-right flipper, after jumping up by using the crate (★1) as a platform
Enemies
| Name | Defeat | Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Eat | Stomp | Pound the Ground | Egg | Green Water -melon | Red Water -melon | Blue Water -melon | Trans -form | |||
 | Wild Piranha | × | × | × | ○ | ○ | ○ | ○ | ○ | Small at first, but becomes large when you get closer. If eaten, you drops all eggs. |
 | Jean de Fillet | × | × | × | ○ | ★ | × | ○ | ○ | Jumps out of the water. Swallowing or stomping won't work, so defeat it with an egg. |
 | Grim Leecher | ○ | × | × | ○ | ○ | ○ | ○ | ○ | Moves through the air and approaches. If you're possessed, the left and right keys get reversed. |
○: Can be defeated
△: Can be defeated under certain conditions (e.g., multiple attacks, attacking during a specific state, etc.)
×: Cannot be defeated
★: Transforms into a Star (only in the Green Watermelon column)
The "Transform" column indicates whether the enemy can be defeated by using the Special Item "Anywhere POW", "Winged Cloud Maker", or by passing through the Middle Ring.