The Worms™ Ultimate Mayhem “Customization Pack” features hilarious new additions to extend the already vast array of customization options available in the game, including a number of crazy new hats, glasses, gloves, 5 new speech-banks and 5 new gravestones. The “Customization Pack” also includes 5 new weapon payloads for the Weapons Factory. This content requires the base game Worms Ultimate Mayhem on Steam in order to play.