 The Brutality game pack is a survival-based wave mode which consists of the player roaming around a version of the Seaside multiplayer map, searching for new weapons along with ammunition and health to defend against the hordes of enemies.All weapons from the campaign can be found around the map and upgrade the more they are used.The game pack also includes seven tracks from the acclaimed heavy metal band Mastodon along with a prison theme and Mick Cutler skin for use in multiplayer.