W A S D to move the Red Stickman, and Space to shoot with the red stickman. Arrow keys to move the Blue Stickman, and 0 to shoot with the blue stickman. Try to shoot the boss until he dies. >:) You can revive a fellow partner if you are to press the shoot button on the fallen person, having to move away from where you are as if you are tugging the other player. If you do it correctly, the other player should revive.
Music by Heavenly - The Prince of the World v0.5 - One boss only, 575 health