Instructions are not in-game. At the start, it will go 3, 2, 1, GO! You will have 3 seconds to press the key of the arrow that it shows. The arrow color changes to try to throw you off. Press the green flag to play again Turbo Mode does nothing
I give credit to the people who made the go and game over symbols. I got these images of the web, so thanks Update: increased the color amount it changes each time you press a key, so you can tell if it is the same arrow as before. Changed name.
