Jewel of the Nile is a downloadable content pack (DLC) for Serious Sam 3: BFE. It includes 3 new missions, taking place in the Temple of Isis on the Island of Philae. It also includes a new enemy, Aludran Reptiloid, and a new final boss. New weapons in this expansion are a new sniper rifle, a laser rifle and a battleaxe. In addition, there are also new Steam achievements.