The Settlers IV: The Trojans and the Elixir of Power2001

The Settlers IV: The Trojans and the Elixir of Power is an official expansion for The Settlers IV. It continues the story of the original game.
The add-on introduces some new units, for example: flying machines (Manacopters) and Catapultier (special unit). There are new missions for all of the nations, including the Trojans, and a settler campaign.