The core gameplay of Sleeping Dogs consists of giving the player an open world environment in which to move around freely. Sleeping Dogs is played as an over-the-shoulder, third-person perspective action-adventure game with role-playing elements. The player controls Wei Shen, a Chinese-American police officer as he goes undercover to infiltrate the Triad organization called Sun On Yee (A reference to real-life triad gang Sun Yee On). On foot, the player character has the additional ability to walk, run, jump, climb over obstacles and swim, as well as use weapons and martial arts skills in combat. Players are also capable of driving a variety of vehicles, including automobiles, boats and motorcycles.