The Lair of the Shadow Broker begins like any other mission in Mass Effect 2: an email in your inbox. The first 'bridging' DLC available, your actions do matter and will play a role in Mass Effect 3. It was released on Septemfor Microsoft Windows and Xbox 360.īioWare has changed that with its latest downloadable content – The Lair of the Shadow Broker. Mass Effect 2 Lair of the Shadow Broker Overview Mass Effect 2 Lair of the Shadow Broker Free Download for PC is a downloadable content pack developed by BioWare and published by Electronic Arts for the action role-playing video game Mass Effect 2.