The latest Mass Effect 3 add-on, called Earth, released on July 18. It has added a lot of content in the multiplayer mode. According to BioWare, you can download add-on absolutely free for all platforms.
You can play role of the 7 new character's in such cities as Rio, London and Vancouver. Also the arsenal filled up with three new types of weapons N7 Piranha, assault rifle, a pistol and N7 Typhoon Acolyte and some armor upgrades.
Good news for professionals - the new Platinum difficulty level could challenge even a hardcore players reaction, and during 3, 6 and 10 waves of team play new objective to escort agents to the extracting points will be given.