- Green Star 1: After going in the rocket clear pipe, find the star in between the moving cloud platforms.
- Green Star 2: After the checkpoint, jump on the Purple Bricks and go into a challenge room. Defeat the two Koopa Troopas and get the star within ten seconds. If you fail to grab the star within ten seconds, you can't get the star unless you do the level over again.
- Green Star 3: The star is in between a group of Goombas standing on top one another.
StampAfter exiting the rocket clear pipe, jump on the long "?" Block and jump under hidden blocks to go on a ledge. Go in the clear pipe hidden in the wall to get the Gold Coin stamp.
World 2 Pipe
On the ledge where you get the stamp, be in Cat form to climb and find a red pipe to find a hidden wrap pipe taking you to World 2.
- There is an exploit in this stage where the player can get unlimited lives by bouncing on a Koopa shell repeatedly.
- In this stage, an 8-bit Luigi can be seen doing a squat dance in the bottom right corner at the beginning of the stage; it can be seen by tilting the camera right.
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