Space SWAT ship crashed on planet Paradise-11, the area used as colony for prisoners and laboratory for biological experiments. Captain Pedro Rodriguez must repair his ship and survive before the waves of zombies eat his brains.
In year 2222, people invented a portal. In year 2281, the first habitable planet is found. Its colonization is made through portals and it turns out that humans are not the only sentient race in the universe..
After the earth was nearly destroyed by an all-out global war, much of its land has become a wasted desert. You're one of the few survivors who must defend your settlement from hordes of mutants.