Anvil

The second version of Ubisoft Montreal's internal development engine, previously known as Scimitar. The engine was renamed during the development of Assassin's Creed II, releassed in 2009, and was later used for Prince of Persia: The Forgotten Sands, Assassin's Creed: Brotherhood and Assassin's Creed: Revelations. The engine was renamed again in 2012, during the development of Assassin's Creed III, to AnvilNext.