This month design3 is doing a promotion called "Devember" where we'll be giving away prizes and offering design3 memberships at half price! All you need to do to enter is be a design3 member, either paid or free. Scope the details here:

http://www.design3.com/contests/dev-ember

design3 will also be doing prize giveaways through its Facebook and Twitter account so like and follow those for more game opportunities.