Treasure

Treasure Chests are droppable uncommon treasure items, In the same fashion as TF2's Mann Co supply crates. They can be opened with a Treasure Key, which can be purchased from the Store or obtained through a trade. Treasure Keys and Chests are tradable, though Treasure Keys require a waiting period after purchasing to be traded. When a chest opens, a five second timer ticks down and player receives a random item from within. All unboxed cosmetic items will be Strange quality, Also like TF2 crates.

Special Chests
Given out during the Steam Summer Sale 2012 Given to early buyers of The Defense 2 Pass