This may be named darknessp3 but i had some probs with the original file darknessp2. Because it wouldn't let me overwrite it or delete it so i just said darknessp3. but it is the same as p2. Anyway this is much harder than the original map your objectives are...

Objective 1: Take control of both beam structure's.You must set foot on the structure without cheating.or else its no fun.

Secondary Objective: Return gather ammo cause the elites respawn. 