Incredipede is very interesting and can actually get pretty ♥♥♥♥ing hard. I honestly didn't pay attention to the story, which involves 2 cutscenes or so I think.
You basically have to solve each level with 2 to 4 buttons. While it sounds simple, it gets you thinking in some of the harder levels. Then in hard mode you actually have to create limbs and muscles to make your creation move through the level to the end.
Each level is really short, and most of the time is spent just trying to figure out how to complete each level. There is also a sandbox / level editor mode that lets you create your own levels and share them online. You can also select levels and rate them from other users.
Overall its a short cute little game with some replay value if you like tinkering with level editors. Glad I bought it!
Edit: Spell correction! :(