As you attack ('click', as per the title of the game), you will progress through the following in-game achievements, symbolized by a hand pointing to the upper-right: * Proficient Clicking (Click 1,000 times) * Sore Finger (Click 10,000 times) * Carpal Tunnel (Click 50,000 times) The achievement will unlock once Carpal Tunnel is unlocked. Attacking is performed by pressing the button.
