Super Mario Galaxy 2 Cheats - Wii
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.
Unlock Banker Toad's Items
Glasses - Deposit 1,000 star bits.
Spear and shield - Deposit 2,000 star bits.
Pickaxe - Deposit 4,000 star bits.
Diver Toad - Deposit 6,000 star bits.
Explorer Toad - Deposit 9,000 star bits.
The Perfect Run (Grandmaster Galaxy Daredevil Run) - Deposit 9,999 star bits.
Play as Luigi
Beat Bowser at Bowser's Galaxy Generator.
Unlock Rosalina Save Icon
Collect all 120 Power Stars and defeat Bowser again.
All Luigi Ghosts
Get 9,999 coins and you will automatically unlock all the Luigi ghosts without having to complete every level as Luigi.
Unlock Images from Gallery Mode
Beat Story Mode using two characters from the same franchise to unlock the first three rows of images. To obtain the other images, beat Story Mode using the same method, but in their EX form.