There's a project called forum.vcmi.eu. They are recreating an alternative Heroes 3 version, specifically the EXE program, from scratch. And they haven't started working on the AI yet, or maybe they already have, I haven't checked. But the AI is currently missing. If you're interested and have the time, you can participate.
Personally, I can only participate as a tester.
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I would really like to play with smart heroes and smart bots. Something like in Counter-Strike with nicebots or YaPB...
За то что нейтралы не бегают за единичкой, для меня это уже стоит того