Irrational Games today showcases a new developer diary series titled "Heavy Hitters", showing off the the Motorised Patriot, a fearless robotic George Washington recreation. The new behind-the-scenes video introduces players to some of the deadly enemies that they will encounter in Irrational Games' Bioshock Infinite, the third title in the Bioshock series.

BioShock Infinite puts players in the role of Booker DeWitt, a hard-bitten former Pinkerton agent, together with the revolutionary AI companion, Elizabeth. The two struggle to escape the sky-city of Columbia, in a 1912 America that might have been.

Armed with an arsenal of new weapons and abilities, they face menacing enemies, in unique expansive environments. Classic BioShock gameplay joins innovations such as aerial combat on high-speed Sky-Lines in the service of an immersive storyline – an Irrational Games signature.

Check out the trailer below with creative director Ken Levine and art director Nate Wells who are more then happy to prepare you for what is to come in the deadly world of Bioshock Infinite.

Bioshock Infinite will be available 19th October 2012 on PlayStation 3, Xbox 360 and PC. You can check out our game page which has all the latest in news, screenshots and more.