Free Mass Effect 3 'Retaliation' expansion released, detailed

Hits Xbox 360, PS3 and PC in North America today, EU tomorrow

The new Mass Effect 3 'Retaliation' multiplayer expansion released today on Xbox 360, PS3 and PC in North America.


Due to release in EU territories tomorrow, the download introduces new 'Hazard' versions of existing maps, a new faction, weapons, Class kits, upgrades and a new multiplayer challenge feature.

And for anyone interested in a more detailed look at the treats in store when the expansion is installed, BioWare's Senior Gameplay Designer Eric Fagnan and Senior Combat Designer Corey Gaspur have posted a detailed brief on the game's official site.

You can also check out footage of the new content in a trailer through here.