Biff is trying to collect all the gems so he can buy his family some nice gifts for their birthdays, but there is one problem. ZOMBIES. help Biff annihilate the Zombies who are trying to get all the gems for themselves. How greedy Zombies are. Biff needs your help. Are you up for the challenge?
advanced costume handling, simple sound playing, functions, simple loops, basic math, simple messaging, simple events, visibility, graphic effects, delays,