Completed the campaign on any difficulty
Killed all the vikings in a ship, before it reached the shore
Won 10 islands in a row, without losing a single house
Completed the campaign on hard, recruited all commanders and kept them alive
Killed 1000 vikings
Killed 15000 Vikings
Purchased an upgrade for one of your commanders
Fully upgraded one of your commanders
Won an island in the snow
Won an Island at nighttime
Won 3 islands on a single turn
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