Make a finger gun 馃憠 at the screen. Aim with your index finger. Drop your thumb like a hammer to shoot.
New to the finger gun? A short practice runs first; replay it any time from PRACTICE on the menu. Sit about an arm's length away with good light. Keys: F full screen 路 1/2 start a game 路 T practice 路 Space fire 路 P pause 路 M mute 路 C camera preview