You don’t tend to think of the Genesis whenever the topic of first person shooters comes up. After all, the genre was in its console infancy at the time, and Sega’s old work horse isn’t exactly known for its 3D prowress. Even so, there are a few games here and there, including Accolade’s Zero Tolerance, a title that every Genesis owner should boot up at least once, just to get the gist of how a 3D FPS runs on the console.