Successfully complete the indicated mission with a gold medal to unlock the corresponding bonus map:
Unlockable How to Unlock Best Defense Mission 17 Check Mate Mission 8 Construction Junction Mission 6 Monkey Troop Mission 5 The Blue Dragon Mission 13 The Great Wall Brawl Mission 11 The Question Of Faith Mission 19 The Ship Of Fools Mission 14 Tower Of Power Mission 16 Under Construction Mission 3
Centurion Helm and flags
Successfully complete all the tutorials with a gold medal to unlock the Centurion Helm and flags.
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