If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
You are a commando on a lease to find your way out of the maze in which you are locked. Kill any enemy which comes your way! Scroll around with the left joystick to make the commando move in the maze. Tinker the right joystick to point the gun and hit enemies with the bullets.
WASD to move or Arrow keys.
Mouse to aim and shoot.