**NEW LEVELS ADDED**
Now Free Version has 9 levels!!
RockSlide is a mixture of awesome physics (thanks to Box2D) and tough mind boggling puzzles. Starting from level one, you begin to learn the basic building tactics to protect your most elderly of ancestors, the Caveman, from rocks tumbling down and destroying the human race.
As you protect and proceed these builds become harder and harder, having to use some brain power to complete. Here comes the puzzle, in the top right you will see a counter, tells you how many available items you have for the build. And, in the top left there is a timer, counting down the seconds until the rocks start coming down.