VCMI is described as 'is work-in-progress attempt to recreate engine for Heroes III, giving it new and extended possibilities. To use VCMI you need to own original data files'. There are four games similar to VCMI for a variety of platforms, including Windows, Linux, Android, Android Tablet and BSD. The best alternative is Heroes of Might and Magic II. It's not free, so if you're looking for a free alternative, you could try free heroes2 engine. Other VCMI like games are Conquest of Elysium 4 (Paid) and SpellForce: Heroes & Magic (Paid).
Conquest of Elysium 4 is a quick turn based fantasy strategy game with a touch of rogue-like. The game might appear simple at first, but it is full of depth, details and of course monsters. Represent entire series of Conquest of Elysium 4 games.