Ironically, Mass Effect 3's multiplayer is my favorite part of the game. Bioware outdid themselves with the combat mechanics, the amount of content, and customization potential.
I think I need to try at least one of the Mass Effects (can one even say that, "the Mass Effects"?), but I think I must be the laziest videogame player around... I never actually try anything. >_>
On that note, I may not know much about the game, but why ironically so?