You cannot crack it, but you can fake it!
And considerable progress has been made already ... XD ! I think now its only a few more weeks they will replicate the whole game, given how much they work.
Its so buggy, crashing now and then, its totally scripted.. No original randomness I believe. the emulator is called mooege.
They won't have all the items, if items are randomized from server..
Maps will keep repeating ... I mean can they generate maps like the server ? NO!
Monster behavior will be fixed, if the server randomizes it, then they have to play so much and copy to bring in all those behaviors... And I watched the dev dairy, they said monsters will have special skills which is decided by the server in inferno.
Lets see..