VCMI (opens in new tab)

Open-source game engine for Heroes of Might and Magic IIIVCMI is an open-source engine for Heroes of Might and Magic III with new possibilities. Years of intensive work resulted in an impressive amount of features. Among the current features are: Complete gameplay mechanics Almost all objects, abilities, spells and other content Basic battle AI and adventure AI Many GUI improvements: high resolutions, stack queue, creature window Advanced and easy mod support - add new towns, creatures, heroe...