arrow keys or WASD to move, R to respawn, and down arrow to squish yourself. sometimes a unwanted sprite will show if that happens then click the stop button and replay. numbers 1 - 5 for music. if you are going to use music then choose it before you start because if you dont like it to change it you will have to push the flag. ALL LEVELS ARE 100% POSSIBLE
the boss fight is difficult but it is possible