The nice thing about these codes is you can do these codes any time during the game.
KEYS: (T-Top, B-Bottom, L-Left, R-Right, C-C Buttons)
TC(20 times), BC
Press start and enter TC,BC,LC,RC. A cheat menu will appear at the bottom of the menu. Go into the cheats menu. This is where you put the codes in. These codes have to be done quickly. If you pause even for a second it won't work. These next four codes are done in the cheats menu.
LC,RC,BC
BC, TC, LC, LC (This kills all enemies on the screen.)
LC, TC, BC, BC
The codes listed underneath are the "Collect Sub-Menu" and can be put anywhere, but you have to go to the Collect Sub-Menu to use them. If you put the code in right you will here a "swooshing" sound. If the code is put in wrong you will hear a "Hmmm..." sound. Collect Sub-Menu