Phantom EFX and 8monkey Labs released a new trailer today for its time traveling shooter, Darkest of Days.

Posted after the break courtesy of GameTrailers, it provides the viewer with a bit of weapons training against some of the foes you will com up against in your travels through the ages.

It's out September 8 for PC and Xbox 360.

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Video Games | Darkest of Days | Exclusive Firearms Training Trailer HD XBox 360 | Playstation 3 | Nintendo Wii