Depths

Water currents made for very interesting walls :) The music was great.

The only thing I missed was some visual feedback when you moved. (some animation on the legs or a particle trail, etc)

Interesting idea. It seemed to lag a little on my system though. (Probably not your fault)

CPU hog. I have a beefy CPU and by the end it used 40 percent of the CPU. An awesome game, though.