There's no required list, but here's the list of all PennApps Fall 2013 hacks: http://pennapps.challengepost.com/submissions http://pennapps.challengepost.com/s

There's no required list, but here's the list of all PennApps Fall 2013 hacks: http://pennapps.challengepost.com/submissions http://pennapps.challengepost.com/submissions And a list of all MHacks Fall 2013 hacks: http://mhacks.challengepost.com/submissions http://mhacks.challengepost.com/submissions And a list of all HackMIT Fall 2013 hacks: http://hackmit.challengepost.com/submissions http://hackmit.challengepost.com/submissions hackNY Fall 2013: https://www.hackerleague.org/hackathons/fall-2013-hackny-student-hackathon/hacks https://www.hackerleague.org/hackathons/fall-2013-hackny-stu... HackRU Fall 2013: https://www.hackerleague.org/hackathons/hackru-fall-2013/hacks https://www.hackerleague.org/hackathons/hackru-fall-2013/hac...