What do you guys like more? A single player game (meaning, like the campaign or story mode) or do you prefer the MMOs (like WoW)?

Of course, many (most) games have both aspects, but what is you primary preference?

I prefer Single player story modes (and yes, my favorite genre is RPG), and though I do occasionally enjoy Multiplayer (like WoW, DoTA, CS etc), I still enjoy more playing a story mode.

You guys?