Yoshi Infinite Flutters
Jump holding A and before you finish Fluttering (While still holding A) Press Z, then quickly release A, then Press A again. Rinse and repeat.
Contributed By: jetuser.
All Luigi Ghosts
Get 9999 coins and you will automatically unlock all the Luigi ghosts without having to complete every level as Luigi.
Unlockable How to Unlock All Luigi Ghosts Get 9999 coins
Contributed By: ratiosu728.
Banker Toad's Items
The toad that banks your star bits will unlocks some items as you deposit more star bits. Those are not for Mario, he will simply use them himself.
Unlockable How to Unlock Diver Toad Deposit 6000 star bits Explorer Toad Deposit 8000 star bits Glasses Deposit 1000 star bits Pickaxe Deposit 4000 star bits Spear and shield Deposit 2000 star bits The Perfect Run (Grandmaster Galaxy Daredevil Run) Deposit 9999 star bits
Coconuts Turn Into Watermelons
Remember In The First Game Collecting 9999 Star Bits Turned All Coconuts Into Watermelons, Well It's Back Again
Unlockable How to Unlock Coconuts Turn Into Watermelons Collect 9999 Star Bits
Contributed By: mariofan50.
Crown by Profile name
Earn enough stars to earn a crown by your name.
Unlockable How to Unlock Gold Crown at profile select Complete the Green Star Challenge. Platinum Crown at profile select Find all 242 stars. Silver Crown at profile select Collect 120 stars, not counting Bronze Stars.
The Grandmaster Galaxy, which is the secret galaxy that can be unlocked after gathering both 120 normal stars and green stars, holds another secret. Once this final Star from the stage is acquired (The Perfect Run) you will be able to see your death count on your save file. You can now see how many times you died while playing the game.
Contributed By: MBBDarigon.
Collect all 240 stars(Includes Normal Stars, Prankster Comet Stars, and Green Stars).
Unlockable How to Unlock Grandmaster Galaxy Complete the Green Star Challenge
Contributed By: RagnarokBrawler.
Green Star Challenge
Collect all 120 stars and beat bowser and you will get a new cutscene with Rosalina reading about the green star to her "children".
Unlockable How to Unlock Green Star Challenge Get 120 stars and beat Bowser
Contributed By: Koromaru_Cruz.
Play as Luigi in Any Level
Defeat Bowser at Bowser's Galaxy Generator for the first time, then check the Mail Toad for a message from him. Look for the L on the Spaceship, enter it, and then you become Luigi.
Unlockable How to Unlock Luigi for all levels Beat Bowser at Bowser's Galaxy Generator
Contributed By: Spoinkfan718.
Unlockable How to Unlock Secret World Beat the game once.
Contributed By: TickleMeEmo.
Unlocking Rosalina save file icon
There is a save file icon that represents Rosalina's head which is unlocked by collecting all 120 Power Stars and defeating Bowser again.
Unlockable How to Unlock Rosalina save file icon Collect all 120 Power Stars and defeat Bowser again
Contributed By: thom_maytees.
Infinite 1 Ups
Go to SuperMassive Galaxy. as you enter continue to the planet with the three giant koopas. (This is much easier with two people.) If you hold down one of the koopas and continue to jump on the koopa you will eventually start geting 1 ups. You can have up to 99 lives.
Contributed By: lalabanks.
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You can submit a problem report for any non-working or fake code in the lists above.