We love Blizzard's popular game, Diablo. We love it so much, in fact, that we're willing to spend our precious time developing a free and open source solution for those wanting to play it on a modern computer.
Short answer, yes. We don't distribute any copyrighted game assets, which means you'll need to have a copy of Diablo to be able to play.
Version 0.4 finally released, after a looong time. The game is still not yet fully playable, but is much much closer now, with multiplayer, proper melee combat, shops, all dungeon levels, some magic and ranged combat, etc etc.
Here’s a video with some juicy footage: