It seems like Nintendo is getting more and more support now for their eShop. Along with getting more levels for Mighty Switch Force , it looks like Mutant Mudds is getting the same treatment. In the near future you will be able to download 20 more levels for free. On top of all this, Renegade Kid, the developer, is now a Wii U developer as well and they were quoted saying:
In other words, if you want to support Renegade Kid, head on over and vote up Mutant Mudds on Steam .