Treasurenauts, has been rated by the ESRB and is slated to launch on the 3DS eShop in December. If you're near LA and want an early taste, Treasurenauts will be playable in the Nintendo booth during Indiecade next month.
Treasurenauts combines platforming with a greed-fueled health system: The more gems you have, the more health you have; get hit and lose some loot. The game features local multiplayer bolstered by Download Play and numerous playable characters. No price has been announced.