In Settlers 6, there are a few game mechanics that are useless or simply for decoration, as extra content.
List of mysteries Edit
The gem maker's hut is a building that is only shown in the Harbor in Settlers 6: Eastern Realm. It has no workers and a Builder builds the building and upgrades it when gold is delivered to the harbor through a task. It
Village of Eastholm Edit
There appears to be a village called Eastholm if you explore the map in both variations of Vestholm. In Mission 15, the village is hostile and delivers a knight in a prison cart to the harbor. However, in Mission 1, it is a Undecided faction. In the village, it has a barracks with mercenaries from the temperate climate.
Bandit trading Edit
In Mission 15, the bandits show that they can trade stone and wood in the diplomacy menu.
In some maps, there is a larger version of the normal cathedral. It first appears in Geth and is the cathedral that is being built. The player has never had control over one.