Here is the classic (and quintessential) PC game that literally defines the RPG genre and is officially the best selling computer role playing game of all time. Diablo II picks up where Diablo I left off and adds better graphics and deeper gameplay. Addictive as all hell, this game has an entire online cult orbiting around it which buys and sells in-game magic items for real money (much to the chagrin of Battle.net) as well as droves of diehard fans bragging to have the best Diablo II character builds. If you haven't heard about this game then you should perhaps quit the nether regions of space in which you've been hanging out, return to planet Earth and check this out...