Hidden gold and sound test:
Game play starts in the City of the Forest. After speaking to the townspeople, leave the town and enter into Fairie Land. Move five screens to the left and enter a cave at this location. You will discover a deserted village. Walk around the first wooden fence and walk downward. Your character will walk onto the brick wall. Continue to move to the left, onto the patch of trees, and enter the middle clearing of trees. Press B to collect 10,000 gold pieces. Enter the top left building to find the sound test. Once inside, each of the game's sound may be heard.

Easy experience points:
Locate the pond in the City of the Woods. Stand on the left side, at the bottom of the bridge. "Use" a coin, then search the ground to collect 30 experience points.

Defeat the final Boss:
Kaizack will remain motionless after each of his arms has been shot off. Enter his mouth while continuously firing. He may be easily defeated if you have a large amount of hit points.