Borderlands 2 still. The game is friggin massive if you do all the sidequests.
Stalk me on twitter! @theanarchris, THEN IMMEDIATELY REGRET YOUR DECISION!
"I can't believe I was stupid enough to be that faux radical. Never listen to a college student's opinion about anything. Secretly, they're just as dumb as high school kids, perhaps even more so." -Drew Magary