I see this when I start up the game. What does it represent? What makes the percentages change?

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1 Answer 1


Galaxy-at-War is Mass Effect 3's multiplayer. That's not the important bit - what you should be interested in instead is the "Galactic Readiness Rating". The idea is that the Reapers are invading, and the Galaxy is not, well, ready. How the main storyline resolves depends on the Galactic Readiness Rating when you go on the final mission.

There are three ways to increase Galactic Readiness Rating:

  • Winning matches in Mass Effect 3 Multiplayer
  • Using one of the Mass Effect 3 iOS apps (there are two: Infiltrator and Datapad)

Here is where you can find more details on how to increase readiness. Additionally, the Mass Effect Wikia has a little more on it.

That screen represents all aspects of Galactic Readiness, and will default to 50% for all Mass Effect 3 players.

  • You had me scared until I read that Wikia page and saw that it's optional!
    – Sterno
    Commented Mar 6, 2012 at 6:29
  • Have they indicated if it was possible to attain maximum readiness via single player only?
    – Niro
    Commented Mar 6, 2012 at 7:03
  • @Tristan Yes, it is. Commented Mar 6, 2012 at 7:12
  • Phew... I was afraid BioWare (EA) had screwed those of us without Xbox Live/PSN/interwebs access.
    – Niro
    Commented Mar 6, 2012 at 7:24
  • @Sterno I've updated my terminology. Sorry about any confusion. Commented Mar 9, 2012 at 19:38

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