Diablo III might be doing a good job of quenching your thirst for action RPGs today, but let's not forget its humble origins: Rogue. Ahem, sorry, the first Diablo. You may rarely feel the urge to play the 90s classic, however, if you do in the future, you might want to check out Freeablo -- a cross-platform rewrite of the game's engine that's in the works.