A free program for Android, by EasyTech.

The new type of strategy game, Fortress Under Siege, is different from all other games. You have to build your own fortress to fend off the attack of the enemy.

In this game, you can use various kinds of units, such as soldiers, archers, and even magicians, to fight the enemy. You can build your fortress using various kinds of units and structures, such as walls, gates, towers, and buildings. You can also upgrade your units and structures to increase their strength and battle efficiency.