Courtesy of the folks at Bohemia Interactive, AusGamers has a stack of Alpha Lite Steam keys to give away for their upcoming realistic military simulator ArmA 3.

After years of intense warfare against Eastern armies, Europe has become the last stand for the battered NATO forces. On the verge of being driven into the sea, NATO command embarks upon a most desperate measure. In the hope of seizing what seems to be a well-guarded military secret, Operation Magnitude is launched. A small group of Special Forces and Researchers are sent to a Mediterranean island deep behind enemy lines. However, the mission is compromised and the task force destroyed, leaving Cpt. Scott Miller washed ashore upon the hostile island. In his effort to carry out the mission, he will face the dangers of modern warfare, an unforgiving environment, and the consequences of his own decisions...

To grab yourself a Alpha Lite key, simply head over to our giveaway page and you'll see the button to claim a unique key. Follow the instructions on the page to signup for the game and download the official client through Steam.

ArmA 3 is currently available for purchase on Steam, where you'll gain access to the Arma 3 Beta as soon as it becomes available and receive a Steam version of the complete game upon release. Those who do purchase now will gain full access to the Alpha as well.