If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Play multiplayer top-down boxhead action as you earn money, and gun down real people across the net.
Arrow Keys or WASD keys - to move
Space Bar - Shoot.
Shift (Hold) - Strafe.
Q and E - Cycle Between Weapons.
Number Keys - Change Weapon Directly.
N - Access Shop.
Esc key - Access Menu.