COMPUTER INSTRUCTIONS (for mobile scroll down) select levels by using a, d, left and right arrow keys. To start a level press space bar. a, d, left and right arrow keys will move you left and right. W, space and up arrow will make you jump. S and down arrow will make you crouch. MOBILE CONTROLS Tap the left or right icons to select a level. To start a level just click it. Tap the left or right icons to go left or right. Tap the up icon to jump. Tap the down icon to crouch. Diagonal icons help you jump left or right.