Ah, the infamous Mass Effect 3 ending. After such a distinguished trilogy, the last sequence of Shepard's quest to save the universe comes down to a choice between green, blue, or red. Sounds like three possible endings, right? Well, not really. Another variable that factors into the equation is the galaxy's effective military strength (EMS). The degree to which you prepared the galaxy for the Reaper threat determines whether your crew members survive, Shepard lives, or the Earth goes kablooey. So, you could end up with several very different results.
Even with the hundreds of decisions you made throughout the Mass Effect series, the final tally came far short of hitting the most endings video games have ever seen. All those choices converged on just a few conclusions. But we haven't even broken the games with double-digit endings yet. Let's move on.