red means left arrow key. blue means up arrow key. green means right arrow key. and yellow means down arrow key. press the corresponding arrow when the colors touch the black line. if the colors are not touching the line and you press any of the keys, your points will go down by 1. if the color is touching the line and anything except for the correct key is pressed, your points go down by 1.
I just thought that making something related to fnf will be fun. all code is mine credits to me