Sleeping Dogs , developed by United Front Games and published by Square Enix, is a cult-classic open-world action-adventure set in the vibrant, neon-soaked streets of Hong Kong. When the "BlackBox" group released their version of the Limited Edition, it became a go-to for enthusiasts looking for the full experience without the hefty download size. What is the Limited Edition?

The game was a sleeper hit (no pun intended). It was often compared to Grand Theft Auto and Yakuza , but it carved out its own identity with a visceral melee combat system inspired by Batman: Arkham Asylum. Set in a beautifully rendered Hong Kong, players took on the role of Wei Shen, an undercover cop infiltrating the Triads. The story was gripping, the voice acting was top-tier, and the atmosphere was electric.

While most codes have expired, an unopened BlackBox still contains a slip of paper for the "Deep Undercover" pack . This included: