Tunnel Rat takes center stage! Everyone's favorite bug-eating, self-talking, tunnel-crawling nature lover comes up against the ultimate in evil technology: Overkill and his army of Battle Android Troopers! The worst part? Tunnel Rat is alone, and without his Sigma Suit in the middle of Siberia! How's he going get out of this one?! G.I. Joe SIGMA 6 graphic novels are based on the hit TV show!