Now let's build a game. Biff needs to collect crystals, but he is getting hungry so get cheese too. One complication... the ocean is crawling with swimming zombies! Avoid and destroy the zombies while collecting 20 cheese and crystals to win the game. But watch out! Touch a zombie 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,