Tactics for the Swamp (Fortress).

"Weakness" or "strength" of Fortress or Inferno largely depends on whether the lands surrounding your home city are rich or poor.

Inferno with troops of levels 1-4 is quite weak.

Demons are strong in Inferno – levels 6-7. But first, you need to acquire them in sufficient numbers.

Often, by the 2nd-3rd week, a couple of computers come to visit.

As a result, you have to defend the swamp more than attack. Slow heroes, sluggish units (it's difficult to win without losses, as even with acceleration, the computer manages to charge its chain)