Press space, up arrow, or W to go up. Also compatible with mobile! Tap the screen to go up. Try to beat the high score! Click on the speaker to turn the music on or off. Click on your rank to view all the ranks. In two player mode, Player 1 (Orange Cat) presses W or the left side of the screen, and Player 2 (Red Cat) presses the up arrow or the right side of the screen.
