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I think that if such heroes did exist, many fans of the classics wouldn't be playing Heroes 5 right now. :) But as it is...
New here? I'm Roha — want a quick tour?
the pixels will simply become larger, but it's not very convenient on a 22" monitor.
Make the desktop resolution slightly larger than 800x600.
This isn't interesting! And it's not convenient at all.
I recently came across games like Duke Nukem 3D and DooM II, games from 1995 (originally they ran at 800x600, or even 640x480 and took up 10-15 MB). So, I downloaded them and was amazed; they had support for VERY high resolutions, and the graphics didn't degrade; it was exactly the same as in the original, only at 1024x768 and higher. So, it's possible that somewhere there are remastered versions of Heroes III :smile13:, but I'm tired of searching.
I think it's possible to solve the problem. Use, for example, real-time image smoothing algorithms.
and IMO, this is more complicated than rewriting all the other components of the game.