Croteam have just announced that Jewel of the Nile, the explosive new expansion that contains three new campaign missions set within the story of Serious Sam 3: BFE, is due to be available for PC on October 16th, 2012.

Serious Sam 3: Jewel of the Nile follows our legendary protagonist to the mysterious Temple of Isis on the island of Philae where a monstrous temple guardian lies in wait. Players will fight against the unrelenting hordes of Mental’s forces including the re-introduction of two familiar monstrous faces. Sam’s arsenal of awesome expands as well as the two secret weapons from the main Serious Sam 3: BFE storyline – the laser gun and sniper rifle – make their way into the spotlight in Serious Sam 3: Jewel of the Nile.

The Jewel of the Nile DLC will be available on Steam, Get Games, and other digital retailers for $9.99.