New Super Mario Bros 2 Cheat codes

Mario Loses his Hat

3DS
egg

When you reach Triple Crown lives, (1110 lives), Mario will no longer wear his hat during gameplay.

Unlimited 1ups

3DS
unlock

Same as Mario on the NES. Go to Mushroom World course 1, the place where the first star coin is. Stand on top of the stairs and wait for the koopa troopa. Go down to the second or third step and wait for the koopa to reach you. Jump on it lightly (not hitting jump when you hit it) and then it should bounce off the wall and Mario will keep jumping on it, allowing you to get 3 crowns in a few minutes. Note - If you try this as Golden Mario, the koopa will disappear after 25 hits.

Secret Rainbow Levels

3DS
unlock

Secret Rainbow Level in World 1	Jump on the flagpole when the timer ends with 11
Secret Rainbow Level in World 2	Jump on the flagpole when the timer ends with 22
Secret Rainbow Level in World 3	Jump on the flagpole when the timer ends with 33
Secret Rainbow Level in World 4	Jump on the flagpole when the timer ends with 44
Secret Rainbow Level in World 5	Jump on the flagpole when the timer ends with 55
Secret Rainbow Level in World 6	Jump on the flagpole when the timer ends with 66
Secret Rainbow Level in World Flower	Jump on the flagpole when the timer ends with 88
Secret Rainbow Level in World Mushroom	Jump on the flagpole when the timer ends with 77
Secret Rainbow Level in World Star	Jump on the flagpole when the timer ends with 99

Unlock Coin Rush Mode

3DS
unlock

Coin Rush Mode

Complete Castle stage in World 1

Play as Luigi

3DS
unlock

To play as Luigi in the game's single player mode, you must first finish the game by beating Bowser in World 6. After you do that, when on the file select screen, hold down the L and R buttons while selecting a file with the A button. Luigi will now be your selected character.