Now let's play a game. Biff needs to collect 12 power cells. One complication... the moon base is crawling with zombies and dogs! Avoid the zombies and dogs while collecting 12 power cells to win the game. But watch out! Touch a zombie or dog and you will lose your health.
functions, simple messaging, simple events, advanced costume handling, simple sound playing, simple loops, basic math, visibility, graphic effects, delays,