The genetics idea is a very clever game mechanic. Reminds me a bit of the old Creatures Labs games, however this one has some strategy to which of the various traits you wish to select to breed.
Good idea, well implemented.
A downloadable game for Windows and Mac OS X
A game where you breed aliens to select favourable traits while trying to keep the population alive.
Simply unzip the archive and run the jar, it requires java 1.7 or above