HoMM3 HD is a mod (add-on) for the game Heroes of Might and Magic 3.

P.S. Let's all ask Baratortcha to add a checkbox for building the 2nd level structure?

and three stacks? :D

It would be better to ask for 2000-10000 gold to be given at the start on 160% difficulty, because it has become too easy to play lately, especially since if 2k appears, you can always restart :)