The latest gameplay video focuses on the in-game combat, showcasing the martial arts action and use of weaponry.
The graphic video shows off the hand-to-hand combat, including counters and throws.
It also highlights the game's weapon-based combat, as well as the ability to use the environment to finish off enemies.
Sleeping Dogs is an open-world action adventure that promises to show the darker side of Hong Kong.
Players will control Wei, an undercover cop who attempts to integrate himself into the city's criminal network.
As he works to infiltrate the triads and make his way to the top, the lines will be blurred between his lawful duties and criminal activities.
Square Enix recently revealed the game's box art, featuring the work of innovative US artist Tyler Stout.
A limited edition of the game will also be available, containing new missions, costumes and character bonuses.
Developed by United Front Games, Sleeping Dogs will release for Xbox 360, PlayStation 3 and PC on August 14 in North America and August 17 in Europe.
Watch the behind-the scenes trailer for Sleeping Dogs below: