FPS fans have become wary in recent years about the over-saturation of military shooters. Call of Duty may sell by the truckload each year, but fans are bound to get tired of the same-old same-old eventually...right? A new Bulletstorm-backed parody game titled Duty Calls sets its sights on the overused cliches of the series, including bloody damage screens, dramatic slow-motion kills, and shooting gallery gameplay.

You can download it for free by heading here. Prepare to have every skill you've learned from playing years of first-person shooters be tested.