Some of the differences to vanilla Diablo 2, max lvl is 500 instead of 99, max skilllevel is 60, complete new frontend with new look and feel, new and fresh user interface, resolution switchable between 1024*768 and 800*600... big inventory, big stash, many new Uniques, many new Sets, new magic and rare stats, new runes, new gems and gemclasses, 3 new dungeons, new monsters, 90% of skills have been modified and more..