W or D to go forward, A to go back. Hold down the space bar to sprint. You cool down for 5 seconds since ur the worst athletic cat-runner in the history of the world and u need a break. Secret: Hold down W, D, and Space. Bug: If u get frozen at the yellow line, you will have a glitch which differs backdrops.
EXTREME credits to @DanielNetic for the cat's animation. He also reworked my code, which I reworked and made the game. I guess I will add more things like power-ups to the game, and more I guess.