Hey guys, I recently held a competition where people in my campus at college made games in 48 hours straight!
I didn't enter because I ran the comp - but while the teams were making games, I decided to make one on my own!
This game took me 30 hours (I did all the design, porogramming and art by myself)
http://edibleweapon.webs.com/FlightyHordes/WebPlayer.html(You'll need Unity Web Player)
Flighty Hordes is a game where you shoot zombies out of cannons so they can catch brains in mid-air.