Raining-ABC-s is a project mainly written in OBJECTIVE-C and C, it's free.
Raining ABC's was made in 6 hours or so in PaloAlto Hackaton/GameJam and won second place
Raining ABC's was developed in 6 hours or so during PaloAlto GameJam Hackaton. - It won second place :)
Code is terrible, and it newer was intended to be "best code" - it was hackaton :)
More about it on Nina Gerwin blog http://ninagerwin.wordpress.com/2011/10/18/a-winning-team-at-the-moboturbo-2011-game-hackathon/