Then boom, Torchlight 2 introduced multi-player mode. Awesome.
I have since spent nearly 40 hours in the game, delving through different environments and enjoying the steampunky vibe. (I also loved basking in the Guardian of Mana's presence. Beautiful.) The cutscenes were lovely too.
I've completed the story recently, and maybe will go through New Game Plus eventually (mostly for achievement-mongering). Fun times were had, though. I rather miss it already.