Now let's build a game. Biff needs to collect 1,000,000,000 power cells. One complication... the park is crawling with zombies! Avoid the zombies while collecting 1,000,000,000 power cells to win the game. But watch out! Touch a zombie and you will lose your health. You only got 100 lives. So start attacking those zombies!
functions, simple messaging, simple events, advanced costume handling, simple sound playing, simple loops, basic math, visibility, graphic effects, delays,