Diablo II is an RPG for the PC made by Blizzard Entertainment. The style of Diablo II is real time meaning that there is no battle sequence rather you click and tell your character where to move what to attact etc. The game revovles around your pursuit of the 3 prime evils Mephisto, Baal and Diablo. There are 4 acts in origional Diablo II and the expansion adds another. Each act has a town and 3-6 quests that you must complete.