This information comes from supposedly an “inside source.” You know how those inside sources go; so take this like you want.

According to this source Retro has been working on a Game engines for the Wii U to be used with internal and external projects. Also, Retro is said to be reaching out to other developers to help with their (Retro) engine.

Now, for the icing on this rumor cake. It was said that Retro showed off one of their engines to Epic games that got them thinking about brining the Unreal Engine 4 to the Wii U.

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