Hardcore Gamer is giving away 10,000 Supernova codes for the second beta. Not really a contest, seems like everybody who enters will win one.
http://www.hardcoregamer.com/2015/11/16/giveaway-supernova-second-closed-beta/177333/
http://www.hardcoregamer.com/2015/11/16/giveaway-supernova-second-closed-beta/177333/