The Settlers Online

The Settlers Online (known as The Settlers Online: Castle Empire in the United States) is a freemium, online browser-based version inspired by The Settlers. A beta version of the game was released in Germany, Russia, and North America on October 22, 2010, with the final build released worldwide on September 19, 2011.

In the game, the player has to build a city, defeat bandit camps and complete quests to earn XP and level up, unlocking different new buildings, mines and soldiers.