Here is an item list for DonDokoDon:

Special Items & Power-Ups
	speed up.
	power up +1.
	power down to zero.
	power up to max.
	hammer blows kill enemies.
	hammer can be thrown.
	stars fall from the sky.
	knock out - knocks every enemy down.
	earthquake - kills every enemy.
	stops time - you still die if you touch an enemy.
	opens a hidden door to either a bonus game room or a crystal ball room