In Doctor Who: The Eternity Clock, play as the Doctor and River Song as they race to save the universe and time itself. Unravel the mystery of The Eternity Clock and stop its deadly path of destruction before it’s too late. Equipped with the Doctor’s sonic screwdriver, River’s Blaster and other fantastic gadgets, journey through four London time periods and a number of alien locations in search of the answers. Face up to the most fearsome monsters including Silurians, Cybermen, Daleks and the Silence. Outwit and destroy foes, solve puzzles and make the right choices in an epic action-adventure.