In the first level, go up the first hill you
come to, then if you jump off at the correct
angle, you will do a very high jump! As you fall
back down to the ground, press R/L simutanously.
At the same time press AYBXXBYA. This will make
you do another jump in mid-air! You can jump up,
and if done correctly,you will see a hammer
floating in mid-air. You will land on it. Now you
can smash enemies by pressing R!