Desktop

Up arrow: Go up

Down arrow: Go down

Left arrow: Shoot

Mobile

Right side of screen hold down the top: Go up

Right side of screen hold down the bottom: Go down

Press Left side of screen: Shoot

(You can keep your finger on the right side and drag it up and down to move)

Gamepad/Controller

Move the left stick up/down to move up/down

Press A to shoot

Press the start/menu button to press the start button

Press X/Y/B to change the sound settings

(Mute/Half/Normal)