A unique feature of Sleeping Dogs is its undercover system, where Shen's loyalty and reputation within the Triad and the police force fluctuate based on the player's actions. This mechanic affects how certain NPCs interact with Shen and can open or close off certain missions and possibilities.
While the CODEX release was popular for those seeking the game via third-party sites, the game is frequently available at significant discounts (often 85% off) on and other digital storefronts. sleeping dogs definitive editioncodex