Behind me, death was gaining. Teeth gritted, my arms pumping, my legs stretching as far as they would go, I banked right around a corner of more cells.

Movement flashed from my left. Another massive wheel barreled toward me at top speed. It wasn't until I threw myself around another corner, just in time, that I realized where the wheels came from. The walls weren't curved; they were all made up of these...things that could grind me into dust. I had to stay away from the ...