Riddles of the Sphinx
We are not sure of the release date for Riddles of the Sphinx. It was released at the box office on 2008-06-13 so we estimate it was released to DVD in September 2008.
Director: George Mendeluk
Cast: Dina Meyer, Lochlyn Munro, Mackenzie Gray, Donnelly Rhodes, and Dario Delacio
An astronomer and a cryptographer uncover a series of ancient tunnels, unwittingly unleashing a deadly Sphinx. In order to trap the Sphinx back in its tomb and stop impending destruction, our explorers must solve a series of complicated and possibly deadly riddles.