OpenGL Sky Texture Issue!

The Skyboxs in Sonic Robo Blast 2 using OPENGL look like the top and bottoms are distorted.

This is what looking at the top position of the skybox looks like in first person:

Please fix this at sometime and maybe fix it in v.2.2.9 or another update like v.2.3.0 as it ruins the immersion and realistic-ness of the sky, this is a clearly addressed sky texture issue.