its for pc if you go to battle.net, and click on the little diablo circle on the left it costs about U.S. $40 to buy the battle chest, which comes with diablo, diablo 2, and diablo 2 expansion, as well as the strategy guide its free to play online, and they come out with updates ever so often. currently on patch 1.11. i originally started in 1.09, played in 1.10, then lost my cd key. recently bought a new battle chest, so i am back on again for the website, ill just give u the link http://www.battle.net/diablo2exp/