I'll be making a game in 10 days, wish me luck. That is unless you're competing against me, then I would suggest saying hurtful discouraging things to me.
http://www.kongregate.com/forums/4-game-programming/topics/3 34927-gitd-32-starts-on-may-2nd?page=1
The theme is collection. I can't even think of a game that doesn't have you collecting coins or points. I think my game will be based around greed.