Empire: Four Kingdoms

Empire: Four Kingdoms is a strategy multiplayer mobile game developed and published by Goodgame Studios on August 14, 2011 for Android and iOS devices.

Premise
In this game, the player has to produce new resources and build their small castle into a much larger one, recruit a powerful army to conquer more land for their kingdom, and defend it against enemy attacks, to ultimately be considered as a "king".

Kingdom

 * More than 60 different buildings
 * Multiple upgrade levels for buildings and units
 * Numerous decorations for the design of the castle
 * New in-game events
 * Regular updates with new challenges

Battles

 * Strategic and versatile battle system
 * Countless different military units
 * Powerful and customizable equipment
 * Battles in the four kingdoms