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

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We'll give it a try. Now, if only we had a chess timer... =)

Added 37 minutes later
Ah, I noticed one small negative thing. For example, when I generate a map using the 8m6 template, when I close the game and restart it, the default template is "from the default data folder," meaning it doesn't remember what the last template was. This is inconvenient because I have to go in and set it up every time. I understand that I can put what I want in the default data folder, but that's not quite the same.

Added 4 minutes later
It would also be good to do something about screenshots. There are interesting moments in the game that I would like to screenshot. But opening Paint, copying, and pasting takes a lot of time. I would like it to work with a single button, like in WarCraft (Print Screen), and save the screenshots to a single folder.)

(By the way, after looking at the screenshots of the mod on the developer's website, they reminded me a lot of the "Lake of Plagues" map :D)