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. 10 Health, 2-4 zombies, 3 seconds before one spawns again.
functions, simple messaging, delays, simple events, advanced costume handling, simple sound playing, simple loops, basic math, visibility, graphic effects,