Alien vs. Predator: Evolution Hints for iPhone/iPad
Also on: Android
Always try to make sure you keep the health bar full by performing as many executions as possible.
You will lose the ability to use the 'facehugger' for a period of time after you have performed the Alien's 'Harvest' execution.
No thumbs
yet
Also on: Android, check out those pages for more help with this game.