AnvilNext

The third version of Ubisoft Montreal's internal development engine, previously known as Anvil and originally known as Scimitar. The engine was renamed during the development of Assassin's Creed III, released in 2012. It was used for the Assassin's Creed III spin-off, Liberation, as well as the series sequel Assassin's Creed IV: Black Flag and Assassin's Creed Rogue. The engine is currently known as AnvilNext 2.0, changed in 2014 during development of Assassin's Creed Unity.