"Diablo II succeeded in an area that many other genre leaders haven't – it set the bar so high that everything else has paled in comparison. Yes, that's right. Every hack and slash and/or dungeon crawler is still being compared to the nine-year-old Blizzard title that hasn't fallen from the position of being the king of the mountain.
Online gaming and Battle.net pushed Diablo II above and beyond the expectations of the hack and slash genre. The advancement of multiplayer is always a welcomed feature in the gaming industry and Diablo II did just that with a cooperative experience that gamers are enjoying still even to this day. Even Blizzard has realized this and updated the title earlier this year with a new patch."