Mass Effect 3: Leviathan is a DLC expansion released in 2012 that requires the base game to play. This content extends the core shooter/RPG experience by sending Commander Shepard on a mission to uncover a powerful entity capable of killing a Reaper, delving into the dark history of the antagonists. It adds new story missions, characters, weapons, and upgrades, focusing on gripping narrative exploration across new locations integrated directly into the main campaign.
The central narrative thrust involves Commander Shepard investigating a series of mysterious disappearances and murders linked to a powerful, unknown entity lurking in the dark reaches of space. This entity is suggested to be capable of neutralizing the primary threat facing the galaxy, making its discovery a race against time before the enemy silences it permanently.
Players are taken to new, unexplored locations across the galaxy to piece together clues surrounding this entity, referred to as Leviathan. The content promises a gripping and emotional storyline that delves into the dark origins and history of the Reapers, offering crucial lore context to the main conflict.
This expansion introduces new mission areas and environments for players to explore, furthering the shooter, role-playing, and tactical gameplay loop established in the base game. Key additions include:
While integrated into the main campaign, this DLC offers a substantial, self-contained story arc that runs parallel to or intersects with the primary objective. It is designed to enhance the overall experience by providing deep lore revelations rather than introducing entirely new gameplay systems. Its quality and narrative depth are generally considered comparable to the high standards set by the base game's storytelling.
This content is classified as a DLC, meaning it is not a standalone experience and requires the installation of the full parent game. It was developed by BioWare and released in August 2012.
Regarding additional content, this specific release is a single, major story expansion and does not feature any subsequent DLCs, expansions, remakes, or remasters associated with it directly.