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Single-player maps:
In Astralia, I killed Gregory on day 20 with a Grok (difficulty level - warrior). The purpose of the other two heroes is unclear. I didn't like the random landscape. After completing the map, I opened it in the editor and was pleasantly surprised to find that it was Australia :) but it's a bit rough. I was also surprised by the one-way portal to the obelisk, which I saw to the northeast of the mainland. If you haven't learned the "portal to town" spell, how do you get back? That's bad.
The best single-player map is Inquisitor. It feels like it was made by a real professional.
Multiplayer:
The Last War. I killed the central demon, and the entire map is open. There was no interest in killing the unbalanced forces of other AI players. The objects are arranged very neatly, as if with a ruler.
Survival of the Fittest. There's a mistake with the peasant hut; it's inaccessible, although other races have access to the building for hiring level 1 creatures. There are also gates with a guard, but only for the first player. The distribution of artifacts is unclear. If this is a multiplayer map, there should be balance, but it's broken here. Overall, I can say that the map is pleasing to the eye.
Golden Eagle - good balance... But it's a boring map... This is a subjective opinion; I don't really like getting bogged down in the sands, and the gray-yellow color... It was boring overall.
Crusader... There's a clear violation of the contest rules - the map is too large and overpopulated with objects... It loads for a very, very long time; I only had the patience for one turn. The water on the mountain slopes also impressed me. It feels like the author was just messing with us.
Conclusion:
1. Single-player map - Inquisitor.
2. Multiplayer - Golden Eagle (because of the balance).
3. The most original - Astralia - because the map is in the shape of the Australian continent (this is the only way I can explain the chaotic arrangement of objects), and there was an interesting idea with parallel game tactics, although it is clearly unfinished.