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

Here are some more bugs that occurred:
- The hero duplicated in the metro during troop transfer (either during the transfer or after a pause - I don't remember), this never happened in SoD. Moreover, it was a tournament game, and the save file needs to be fixed somehow. The hero was from the Dungeon faction and was released a week earlier.
- In a paired game, troops and artifacts cannot be transferred to an ally during the ally's turn.