ColdWarrior
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Nikitos palitos,
I don't know why it doesn't launch on 3.55, but the campaign was made for Whirlwinds, not for Equilibrium. Even if it worked normally on Equilibrium, I wouldn't recommend playing on that version, as the balance has been changed and many things have been added that greatly affect the game. By the way, the last stable version is considered to be 3.51. Why play on 3.55 then?
The first two maps work perfectly, and the third one works if you load it after launching in Whirlwinds.
I'm playing on 3.55 because it won't install from the old images.