http://youtu.be/hOwMtZCncFs

Mark of the Ninja will sneak back onto your Xbox with the release of its first piece of downloadable content on August 16. The Special Edition DLC will include two prequel levels, two new items and a new costume that focuses on non-lethal takedowns. Eurogamer first reported that the expansion pack will cost 400 Microsoft Points or $4.99 and include an optional developer commentary track on every stage. The commentary is about 25 written pages from several members of the team. Mark of the Ninja was first published by Klei Studios and released on XBLA on in September 2012.

Source: Eurogamer