According to the recent news, angry bird, the most famous of Iphone games or may be release for ubuntu soon
(http://cdn2.techie-buzz.com/images/chinmoy/angry-birds.jpg)
http://www.omgubuntu.co.uk/2011/01/angry-birds-may-be-coming-to-ubuntu/
http://techie-buzz.com/foss/angry-birds-ubuntu.html