Based on the novel by Edgar Rice Burroughs, a US soldier finds himself inexplicably transported to Mars in the midst of a war between two alien races.

The world has become a slaughtering ground for the Crimson Denizens, mysterious beings from a parallel universe who thrive on the life energy of humans. These merciless murderers only leave ...

A portal transports Cpt. Artemis and an elite unit of soldiers to a strange world where powerful monsters rule with deadly ferocity. Faced with relentless danger, the team encounters a mysterious ...