The problem with being the ultimate warrior or species is that there's always some small weakness. If every other attribute is so awesome, that weakness, however singular, becomes the point on which your enemies focus.
For Achilles it was his heel. For the predator, it was his honour. For the Death Star, it was that dammed exhaust port leading right into the reactor core.
Qi investigates the best sneaky-sneaky games on iPhone
AppSpy - Perfect Cell provides players with a unique choice between action and stealth elements, affecting the game's difficulty as a result of their actions; it's not 'perfect', but it's still a challenge worth trying.
TheAppera: Mobigame, developers of the ever popular Edge are back and I imagine, hoping for a little less controversy with their new offering, Perfect Cell.