Take on the endless hordes of zany enemies with your friends.
You are Sam "Serious" Stone, a legend in his time due to his extreme bravery in battle. As attempts to defend the solar system fail, the planet Earth is coming under direct attack, and humankind stares into the face of its own annihilation. You are the only hope for humankind. Return to the past and change it by exterminating the evil forces determined to end humanity.
This page contains co-op info for Serious Sam on the Xbox. All information about Serious Sam was correct at the time of posting. Information is subject to change. If you see any errors please email us.