Created with an advanced version of the engine used for Lara Croft Tomb Raider: Legend, the gameplay mechanics, artificial intelligence and level puzzles of Tomb Raider: Anniversary are now more refined, in-depth and complex. The technology has also enabled all of the nostalgic environments from the original adventure to be envisioned on a much grander scale. Most importantly, Tomb Raider: Anniversary faithfully preserves the elements which made the original such a success.