Thank you for actually commenting.

I can see what you mean by textured more completely. I'll see what I can do.

But I like them! They're all underwatery and such! Actually, I just don't understand what the problem with them is. :)

The particle platforms at least are intentionally difficult to get to the last three of them on either side, because those can be jumped fairly easily at a run.

I'm curious as to where it is too dark, and whether your gamma is set correctly. I haven't noticed any real problems with the lighting while I was playing with it, so I'd appreciate a little more feedback there, if you've got time.

Thanks again. I'm still learning to map properly. Trying to set up areas of contrasting brightness is not easy.

Got it, I had misread your post. Yes, the tunnels that dip downward are supposed to force you to move more slowly, though I need to balance what you find down there so that there is a good reason to go down there despite the slow movement. Still working on the texturing. :)