One of the worst kept secrets related to Mass Effect 3 has been the existence of the upcoming single-player downloadable content known as Leviathan. EA and BioWare simultaneously made official announcements confirming the DLC’s existence. The DLC will take place sometime in the middle of Mass Effect 3’s continuity. BioWare posted this brief description of the content on their blog:

Something lurks in the dark corners of space, something powerful enough to kill a Reaper. Shepard must discover the most closely guarded secret in the galaxy before the Reapers silence it forever. Discover more about the origins of the Reapers as you race across the galaxy to find the Leviathan. Unravel the dark history of the Reaper Race before it is too late. Coming later this summer there is no war, only the harvest.

Taking place during the events of Mass Effect 3, players will be thrust into the darkest corners of space where they will hunt a mysterious being rumored to be powerful enough to destroy a Reaper. As they race against time, they will begin to unravel the secret of the Leviathan. Explore uncharted systems and new areas on the Citadel, interact with brand new characters, unlock the AT-12 Raider shotgun and M-55 Argus Assault Rifle and discover more about the mysterious history of the Reapers. Available on PC, Xbox 360 and Playstation 3. Cost is $10 or 800 Microsoft points.

BioWare also announced the ‘Firefight Weapons Pack,’ a two-dollar DLC that will grant players access to, “two powerful new weapons and five bonus weapons to use in the fight to Take Back Earth.” BioWare also confirmed that the Wii U edition of the game will incorporate all DLC that has been released up to this point, as well as an interactive comic – similar to the one provided for PlayStation 3 gamers in Mass Effect 2 – that will brief Wii U gamers on the events of the first two games, as well as granting them the ability to make key decisions and mold their story for Mass Effect 3.

Screenshots of the Leviathan DLC and a glimpse at the game on the Wiipad are available below. As of now, there are no official launch dates for either Mass Effect 3: Leviathan or the Wii U Edition.