Gamasutra: At the end of every year, you can count on Gamasutra for our annual series of retrospective roundup lists. Typically, at this point, we'd recognize the best games by platform -- PC, Xbox 360, Wii, PlayStation 3, etc. etc.
This year we're doing things differently. We've nixed those platform-specific lists in favor of compiling (in alphabetical order) the 50 Games That Defined 2012, starting with the first 10.