Blaster Powerups on First Level
destroy all the scorpions that come out of the first rock in the
level. After you do this, a blaster power up will apear; repeat
this process on the 8th
rock but instead of scorpions, it will be womprats.
Extra Lives
On the Tusken Raider level, make your way to the place where you
have to jump on the falling rocks. Let yourself fall off the cliff
and you will enter a little cove filled with extra lives. Get
them all, then kill yourself to leave. Repeat as needed.
Sound Test
At any time during the game hold A + B + X + Y, while pressing
START. If you enter and exit the Sound Test screen several times
it will give you clues for other cheat codes.