Players must complete missions to unlock content and continue the story, but they may instead freely roam the game's open world environment and engage in both legal and criminal activities. Gameplay focuses on Shen's fighting, shooting and parkour abilities, and on gadgets that can be used for combat and exploration. Set in contemporary Hong Kong, the story follows Wei Shen, an undercover Chinese-American police officer on assignment to infiltrate the Sun On Yee Triad organization. It was originally released for Microsoft Windows, PlayStation 3 and Xbox 360. Sleeping Dogs is an action-adventure video game developed by United Front Games and published by Square Enix.
