An Alien war is coming in the form of the Espheni. As shown in the previous trailer before they can take over the world they got to get past Tom Mason and his Second Mass group first. Now we have a trailer above that is showing the classes that will be available in the game.

There is not much more to say other than watch and enjoy. The game will be released October 17 and will be available on PS3, Xbox 360 and PC. Check back often for more information.