The last Mass Effect 3 DLCs Citadel, after Omega and Leviathan.
Embark on one last adventure with your team in Mass Effect 3: Citadel.
When a sinister conspiracy targets Commander Shepard, you and your team must uncover the truth, through battles and intrigue that range from the glamour of the Citadel's Wards to the top-secret Council Archives. Uncover the truth and fight alongside your squad -- as well as the cast from the original Mass Effect and Mass Effect 2, including Urdnot Wrex!
Note: with this release you don't need to install any of the updates