I was a participant in this years Global Game Jam. http://globalgamejam.org/2014/games/lost-gravity is the link or our game. I hear it's a great Occulus Rift game from the guy who did the sound effects for this. I was too chicken to try it.
You are able to control gravity to navigate a 3d maze. Twist, turn your way through the levels and try to beat your high score. Be warned that although a maze may seem small it is very easy to get lost.
Alpha Shot: http://www.youtube.com/watch?v=I18iHEBe5bs&feature=youtu.be
Final Submission: https://www.youtube.com/watch?v=zOJElCkF_do&feature=youtu.be
Here are some other submission from the Minnesota Twin Cities Chapter, psst Bird Drop (err Saga of Candy Friends) is hella fun.