The Tsim Sha Tsui Expansion is a supplement for Exploit Zero - Cyberpunk Espionage and Mayhem. Please note this is not a stand-alone game. You need the Exploit Zero core rules to use it. This supplement introduces new weapons, new gear, and new threats, as well as clarifications and optional variations to the base game. It also contains a five mission mini-campaign to help players incorporate these new elements into their sessions. —description from the publisher