God of War 3 Achievement Unlocks Mystery

First of all if you haven't picked up a copy of God of War 3 yet, Sony's final installment of the epic God of War series which started originally for the PS2, then do so. However, if you are one of the millions that have gotten your hands on this game, and one of the even fewer that have gotten a platinum trophy through PSN, then you may have noticed that it gives you a 'secret' website URL "http://www.godofwar.com/spartansstandtall/".

As of this writing, the current picture is of a stormy seashore with thunder in the background and heavy rains on the water. On the top right is a gauge of some sort, which is currently at 1/4 filled, filling clockwise.