SiN

SiN is a first-person shooter video game developed by Ritual Entertainment and published by Activision. It originally released on PC in 1998. It uses a modified version of the Quake II engine. SiN is set in the dystopian future of 2037, where John Blade, a commander in a security force named HardCorps in the megacity of Freeport, is tasked to rid the city of a recreational drug that may be tied to the rival biotechnology megacorporation, SinTek.

An arcade version of the game was released in 2001. It is a computer-simulator where the player wanders through labryinths of streets and buildings battling various enemies with a selection of different weapons.