Click the Flag Then Click the Start button(If the start button does not appear then click the flag again) Click Space to begin and to control Player 1(Red) Click W to control Player 2(Green) Avoid all obstacles
Check out my one-player version of this: https://scratch.mit.edu/projects/834430208 (NOTE: IF YOU REFRESH YOUR PAGE OR CLOSE OUT THIS TAB THEN YOUR PERSONAL HIGH SCORE WILL RESET)