In the third one, there was an editor for both maps and Campaigns; it was the same in the fourth, and in the second there were plenty of maps too... and Castles as well (talking about the third!). As for Heroes 5, it's a questionable amusement after just 4 weeks...
My favorite races: BARBARIAN!! Tower!!
The first race is completely gone (shame on the 5th one, they actually took and removed a race that was in all parts! Even Undead wasn't everywhere!!!)
The second one moved to India (complete nonsense—no Nagas, the Gargoyles aren't right, and Titans are without armor.... Mages are sultans (in the third they were cooler, so strict and they had a staff (the attribute of mages)! Gremlins (these aren't kind creatures at all and according to lore mind magic doesn't work on them.... so there's no way to tame them)
Golems turned blue for no reason (in the third they weren't ideal either, but at least the color was steel)
Rakshasas—no complaints.......
Genies—HELLISH!!! No health at all, usually die even from low lvls (3-4)
Why bother releasing the game..... it's still unfinished!