Build your own fortress, protect your soldiers and destroy the enemy before he uses some of the many available powerful weapons against you!
Use the wildest ammo types for your artillery in this strategy action game featuring destructable pieces with different materials, physics simulation, your own editable fortress with a wide variety of parts for the protection of your soldiers that comes with a very simple but effective rank system.

Here is a quick start tutorial:

Select a map sector and tap on a level
Drag unlocked pieces from the interface to build your fortress
You can buy ammo from currently unlocked weapons
Test your construction and play!
Tap anywhere to aim your cannon and release to fire looking at the power bar, you will be an expert in no time!

Source: http://itunes.apple.com/us/app/fortress-wars/id382653322?mt=8