AlienCities is a classic arcade city bombardment game with many new features. 
Blue ugly and stinky aliens have take over major cities on Earth. It is up to you 
to eliminate the treat by destroying their green stinky buildings they have build. 
This won't be an easy task as your resources are limited an the stinky ones can 
repair their homes while you destroying them. 

Game features: 
- 50 levels with increasing difficulty 
- Levels in Portrait and Landscape mode 
- 8 upgradeable items with 5 to 9 levels of the upgrades 
- Unique difficulty system, it's up to you how much of your score you give away for upgrades 
- iPod integration - listen to your own music while you play 
- OpenFeint integration including: 
-Leaderboards for every level (starting from 10) 
- 28 Achievements to unlock (3 secret) 
- Repayable - Try harder to score more 
- World map with true locations of world biggest cities

This is the full version of the game supporded by iAd. If you don't like ads, please download the non US version of Alien Cities.

Source: App Store