Now let's build a game. 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.
visibility, simple messaging, simple sound playing, advanced costume handling, simple loops, graphic effects, delays, simple events, functions, basic math, advanced animation, simple motion, direction and turning,