I remember seeing an app on PSP-Hacks of a Wolf3D engine ported to the PSP, you still need the game files to play the game however. That's a bit like what I'm suggesting here...
I'm a Wolfenstein 3D modder, love this new Wolf4SDL code as it's so easy to implement things like High-Res graphics, floor/ceiling textures, the more advanced stuff. I'm not much of a good coder or programmer despite making Wolf3D mods for the past 10 years, I mostly do the graphic work, music editing, mapping, and a very small bit of basic coding with C++/Dev-C++.
Below are video links to 2 of my projects released with modified Wolf4SDL engines. If anyone think they'd be fun to play on the Wii, I don't mind sending the source codes your way. :)
The Blazer Forces: Frayed
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www.youtube.com]
Krucible: Insanitarium
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www.youtube.com]