MAKE
WAVES
First,
complete all 16 practice rounds (all eight 1up rounds and all eight
1up/CPU rounds). Once completed, the background to the main screen
will change red. Then get an "OK" rating in all modes except
practice and multiplay. When you get an "OK" rating, the
game icons will flash green. Then, on the Main Menu, press and hold Up
C to get a spike, or Down C to get an inverted spike. These spikes can
be moved around with the Control Stick/Pad.
CHANGE
FLOOR SETS
Complete
all 16 practice rounds (all eight 1up rounds and all eight 1up/CPU
rounds). Once completed, the background to the main screen will change
red. Go to the Options screen and a new option called
"Floor" will appear.
NEW
SET OF PIECES
Complete
all 16 practice rounds (all eight 1up rounds and all eight 1up/CPU
rounds). Once completed, the background to the main screen will change
red. Then get an "OK" rating in all modes except practice
and multiplay. When you get an "OK" rating, the game icons
will flash green. Then when the player enters a game mode (except
practice), the player will be able to toggle between a blue guy
(normal pieces) and a rubber duck (new pieces).