Now let's build a game. Biff needs to collect 10 power cells. One complication... the the graveyard is crawling with zombies and kitties! Avoid the zombies while collecting 10 power cells to win the game. But watch out! Touch a zombie or kitties 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,