Two players enter the human body in order to destroy the deadly viruses.
Embark on a little adventure Inside a Human Body riddled with deadly viruses. Your friend in the lab has the tools to design a cure. Team up in this Online Co-Op first-person game to hunt down and blow up evil viruses before they kill your host ... and yourself!
This page contains co-op info for Outside In: The Ultimate Friendship Test on the PC. All information about Outside In: The Ultimate Friendship Test was correct at the time of posting. Information is subject to change. If you see any errors please email us.