Now let's build a game. Jack the dog 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. Jack can defend himself press the up key to fire a rocket and the space bar to shoot your gun.
functions, simple messaging, simple events, advanced costume handling, simple sound playing, simple loops, basic math, delays, visibility, graphic effects,