But not even the extreme strategy of mass area booby-trapping is enough to get rid of the Doom Slayer. The carefully arranged dozens upon dozens of explosive barrels left in the tender care of psychotic hellspawn? That we totally didn't expect. The rampaging hordes of demons and/or demon-puppeted human jackasses? Project Brutality! We're back in the Doom 2 Maps of Chaos, and things are getting even crazier. Jump to New changes in Project Brutality 3.0 - Here is a list of some of the changes made in the mod for the future 3.0 version: Ledge-grabbing player.