Editing Doom (section)

===Resurrection of Evil===
An expansion to Doom 3, this game takes the original game and puts a few nifty spins to make it feel unique like the gravity gun (because Half-Life 2 did it too). 

Following up on the original plot, you are now a nameless space engineer who comes across a different and wholly demonic artifact called the Hell Heart. This makes you more of a target compared to before, as Hell sends out three special hunters to reclaim the heart, each of whom gives it a special ability for you to abuse once you kill them. All throughout, the Maledict keeps taunting you through the artifact, insisting that he's coming to take it back.

The BFG Edition also has an additional expansion called the Lost Mission, but it's not really anything worthwhile or special.