Clearly, the intention has been to make a unique game, not a bigger and better Heroes 3. Some of the major differences are: 3D perspective on the adventure map and on the battlefield, heroes now take part in battles along with their creatures, six towns with standardised graphic layout, no more creature upgrades, requirement to select between creature dwellings, addition of potions, heroes of the same type are identical, different primary and secondary skills system, more spellcasters among creatures, schools of magic are aligned with town types, creatures can walk on the map without heroes. Heroes of Might and Magic 4 is radically different from Heroes of Might and Magic 3.
