CAN YOU GET CASTLES IN VIKING PERIOD?

[Plzhelpme]

Hi, sorry for the caps, can you get castles/citadels in viking age? :help:plzhelpme:help:

[Raz]

Ok first, Welcome to the Org. Now as for your question, no you can't - it's impossible (unless you modify the game).

[Plzhelpme]

So how can I modify the game so I can?