New Super Mario Bros. Cheats

Go through walls (Code breaker needed)
1. Go to world 6 and choose with those cliffs.
2. (This is when the code breaker comes in) Make sure you selected moon jump and then hang on the cliff and use moon jump.
3. It should like your holding on any roof now when you approch to a part like a thick stick.
Hit the part and you should be in the wall but don't hold the A button! Or else
4. Let go of the A button.
*Congratlation! you know how to go through walls!*