To play against the AI, you have to do the following.
I suppose you play as BLUE. Leave enemy button as it is, it's ok. Pick your units, then you should pick the units of your enemy too. To this, just click on 'RED' and then select the units manually or click 'load preset' and choose one. (they are just pre-made teams).
At this point you should be able to start.
Ready buttons works only in multiplayer on Internet.
Trisfald
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