Dragon Ball Z Power Level Demo: In Dragon ball Z Power Level your objective is to defeat the evil Vegeta in a do or die death match. You have to be very quick and skillful if you want to beat Vegeta. Use the keyboard arrow keys to move, A key to throw the fire ball, press X key to kick, Z to punch, S key for punch, press spacebar button to recharge your chi energy bar, and X or Z key for smash. A smash is automatically executed when you attack your enemy while having a full charged chi energy bar.