the game also features dynamic and destructible lights and other breakable objects, which didn't exist in the first game. the melee combat has been revamped with the addition of a blocking mechanism; attack motions are now dictated by the player character's direction of movement. tripwire are also introducing a new perk progression system, that allows for more customization. to alleviate the perk levelling grind from the first game, the number of levels has been increased drastically to allow players to level up more regularly. each perk now has configurable skills along with passive bonuses. tripwire are planning to implement support for steam workshop and release a software development kit to allow for extensive modding. the game's soundtrack features a mix of original compositions and licensed rock and metal tracks.