Why so serious? Serious Sam 3 has some new DLC coming out soon, and it adds three, all-new campaign missions.

In Serious Sam 3: Jewel of the Nile, Sam journeys to the mysterious Temple of Isis on the island of Philae where a monstrous temple guardian patiently waits for Sam to shoot him in the face.Serious Sam 3: Jewel Of The Nile releases on PC on October 16 for $9.99.

Check out some screens below: