BioWare has today announced the newest DLC for the space RPG Mass Effect 3, this time revolving around a more multiplayer specific approach. The DLC has been titled 'Retaliation' and will feature a range of new multiplayer maps, weapons and upgrades plus a new challenge feature that will reward those who do well in battle, all for free.

Mass Effect 3: Retaliation ups the challenge by adding treacherous environmental hazards to existing maps and will introduce the infamous Collectors as a new enemy faction in multiplayer.

Also making its way into the Mass Effect 3: Retaliation pack is a brand-new challenge system that will reward players for their accomplishments in multiplayer. This new feature will give players the ability to track and compare progress across different multiplayer challenges.

The DLC pack is will available on all platforms for free on October 9th, so be quick or else you will miss out. You can check out the full press release over here for rundown on all the gritty details, or you can check out the release trailer below for some hard hitting combat.