Instructions: - Use the up- and down-arrow to go forward/backward. - Use the right- and left-arrow to go right/left. - Press [Space]-key to jump. - Don't fall down! - You will die if you try to jump over a firewall. - Sometimes, you need to press many keys at the same time. - If you lose a health point, use the mouse to set the new start position. Press the Down-arrow to go back if necessary and press it again to stop going back. - Ice (blue) is slippery! - Press [P] to pause - Have fun!