High Quality Content by WIKIPEDIA articles! Mass Effect 2: Arrival is a downloadable content pack developed by BioWare and published by Electronic Arts for the action role-playing video game Mass Effect 2. It was released on March 29, 2011 for 560 Microsoft Points on Xbox 360, US$ 6.99 on PlayStation 3, and 560 BioWare Points on PC. The pack introduces a new mission where the player assumes the role of Commander Shepard, an elite human soldier who must stop an imminent invasion of a highly advanced machine race of synthetic-organic starships. The pack also includes three in-game upgrades and three new achievements.