What It Takes to Remaster a Cult Classic Like Diablo II
Blizzard developers on all the considerations that went into remastering Diablo II, and how it maintained the true feeling of the classic game.
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Interview with Andre Abrahamian, Game Designer, and Matthew Cederquist, Game Producer, for Diablo II: Resurrected.
They mention, among other things, that you will be able to load your old D2 save games in D2:R.