In Pictures: The 20 best iPhone/iPad games of 2012...
Epic Astro Story
Ratings: 92 from Metacritic; 4.5 stars from App Store users
Epic Astro Story is a sort of Sim City-meets-Civilization strategy game where you build up colonies on distant planets while at the same time skirmishing with hostile alien creatures.
In Pictures: The 20 best iPhone/iPad games of 2012 so far