Now let's build a game. Biff needs to collect 5 crystals. One complication... the moon base is crawling with zombies! Avoid the zombies while collecting 5 crystals to win the game. But watch out! Touch a zombie and you will lose your health. Place a bomb by pressing the space bar and lure the zombies to the bomb and the zombies will explode!
functions, simple messaging, simple events, advanced costume handling, simple sound playing, simple loops, basic math, visibility, graphic effects, delays,