Nintendo of America has a new batch of free games for April 2014. In return for some Club Nintendo Coins, you can get one of the following games for 3DS, Wii, or Wii U.
Nintendo 3DS eShopTrajectile (200 Coins) Art Academy: First Semester (200 Coins)
Wii U eShopSuper Mario World (200 Coins)
WiiWareMario Golf (250 Coins)