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. Good luck going through the endless horror of enemies, if you win you will have the honor of being a total boss with unlimited swag, but since that will never happen forget about
functions, simple messaging, simple events, advanced costume handling, simple sound playing, simple loops, basic math, visibility, graphic effects, delays,