On November 30, 2010, the first score from Mass Effect 2 downloadable content was released, showcasing music from Kasumi - Stolen Memory. It is available through Amazon, iTunes, and Rhapsody. It features mostly action and combat cues that were missing from the original score, however it does feature music from some cutscenes, most notably the ending. On October 5, 2010, EA released a second companion album to the Mass Effect 2 Original Videogame Score titled Mass Effect 2: Combat.

These albums include tracks that were not included as part of the Mass Effect 2 Original Videogame Score. Starting in September 2010 EA began releasing Additional Videogame Scores for Mass Effect 2.

The Digital Deluxe Edition of Mass Effect 2 includes 12 tracks from the Mass Effect 2 Original Videogame Score, These include:

It consists of all the listed songs below, with track numbers adjusted to account for the inclusion of Mass Effect Original Soundtrack and Mass Effect 3 Soundtrack. It is only available until Jor until download limit is reached. In May 2021, BioWare released this soundtrack in a free bonus content download, also featuring items from Deluxe versions of Mass Effect 2 and Mass Effect 3. Wall, Hulick and Kates returned to work on the Mass Effect 2 video game score after having also worked on the original Mass Effect video game score, and ultimately the first Mass Effect Soundtrack. Team members included Sam Hulick, David Kates, Jimmy Hinson and additional music, editing, and implementation was made by Brian DiDomenico. Jack Wall, as lead composer of his audio production team 'Wall of Sound', is credited for the composition and production of the Mass Effect 2 score. Mass Effect 2 Original Videogame Score was released on Januand is the main soundtrack for the Mass Effect 2 video game.

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