Mass Effect 2 is an action role-playing video game developed by BioWare and released for Microsoft Windows and Xbox 360 in 2010, and for PlayStation 3 in 2011. The game features a variety of downloadable content (DLC) packs that were released from January 2010 to May 2011. The downloadable content ranges from single in-game character outfits to entirely new plot-related missions. Notable packs include Kasumi – Stolen Memory, Overlord, Lair of the Shadow Broker, and Arrival. The game's downloadable content was generally well received by critics and some packs were nominated for Best DLC at the Spike Video Game Awards.