Scaler

Full health: 
Pause game play, then select the "Audio" option at the menu. 
Then, press R, L, R, L, B(2), X(2), R, X. A message will 
confirm correct code entry. 

200,000 Klokkies: 
Pause game play, then select the "Audio" option at the menu. 
Then, press L(2), R(2), B, X, B. A message will confirm 
correct code entry. 

Unlimited Electric Bombs: 
Pause game play, then select the "Audio" option at the menu. 
Then, press R(2), L(2), B(2), X. A message will confirm 
correct code entry.