Around 2,500BC, whilst the Egyptians were busy with the Great Pyramid of Giza, ancient Britons had a more modest project in mind: Stonehenge.

For centuries, modern man has pondered the question: just how were these giant stones moved into position?

Now, in an App Store exclusive, we can reveal the truth. Welcome to The Henge.

You play the part of Caveman in his never ending quest to get those darned stone blocks to stay correctly stacked. He has two helpful assistants who bring him bonus blocks and refreshing beverages. But watch out - the anachronistic Dino the Destroyer will do all he can to knock your tower over.