Because it's a fact of life penguins' wings are made more for swimming than flying.
A Penguin
penguins naturally fly.
penguin
this game is about a penguin learning how to fly
Penguins cant fly.
Fly
penguin
they can not fly
penguin
penguin
You wear it and then you fly!
you can't....... but if you have a propeller cap then you can fly........:)