Biff needs to collect 5 power cells. One complication... the moon base is crawling with zombies! Avoid the zombies while collecting 5 power cells to win the game. But watch out! Touch a zombie and you will lose your health.
advanced costume handling, resize actor, basic math, actor properties, simple motion, screen bounds, visibility, simple loops, direction and turning, simple variables, simple conditionals, detect conditions, advanced messaging, cloning, advanced motion, math, delays, functions, simple events, advanced math, simple messaging, color detection, lists, layers, simple sound playing, advanced events, simple drawing, conditional loops, touching actor, loop, conditional wait, pen color, pen size, shape drawing, expert math, graphic effects, text handling, input/output,