Try to dodge Dr. Zomboss' attacks and try to deplete his health till you defeat him Press space to fire (duh) Press the up or down arrows to go… well… up or down.
Yay!!! I added some fun secrets to the game, one of which are useful, the other one was not… not at all…. Please don't use the "See Inside," button to see how you get 'em, that just puts some of my work to waste.