Little Fighter 3. Hopes and expectations

[Som1Lse]

3D textures are actually useful for edge-interpolated Skymaps/Cubemaps. I am planning to implement those sometime in the future, but just placing the textures around you in a cube can do. I doubt an LF2 beatemup-like game would need those though.

Edit: They're actually useful for point source shadow-mapping, and reflective/refractive materials too. But the latter aren't for the engine users to be concerned with I guess.

3D texture are useful yes, using them to make 3D sprites is not. Sky box cube maps (which is what I assume you are referring to, if not please correct me), are not 3D textures. They are 6 2D textures, handled in a special way in order to interpolate them properly.