The game will be released in late April 2013 on Windows and MacOS through Steam, as well as on PlayStation 3's PlayStation Network and Xbox 360's Xbox Live Arcade.
On March 12, 2013, a few items were added to Team Fortress 2. These items were Sams hat from Sam & Max, Handsome Jack's mask from Borderlands 2, Evil Ash's crown from Evil Dead, Chell's long-fall boots from Portal, and Brock Samson's knife from Venture Bros. All of the items began with with file prefix "PN2".
Telltale started a teaser website The Key Party where they released a keychain related to a character from the game every working day from March 25, 2013 until April 1, 2013 when the game was officially announced. The keychains on The Key Party website were a DeSoto keychain for Sam, the Necronomicon for Ash, the big knife for Brock, the eye from Claptrap, and a companion cube for GLaDOS.