Unity Engine is best known for supporting mobile and digital titles, but Unity Technologies CEO David Helgason sees his company's engine as more flexible than that. Nintendo apparently does as well, partnering with Unity on a worldwide licensing agreement that offers first- and third-party Pro level engine access to Wii U developers. The partnership also grandfathers in the existing 1.2 million Unity licensees to the Wii U platform, which Helgason tells us is, "extremely easy" to port to -- Unity's calling the partnership an "excellent opportunity"