Astrobot deserves that 9. I wanna give it a 10 myself but outsourcing speed runs of the main missions to challenge levels just doesn't feel right. Let me risk whip lash and motion sickness... at least give me the option with warning labels attached. Ah. Hell it's a 10 regardless. It's proper innovation and fun in it's purest form.
Everything in the above reply is my opinion, from my own perspective and not representative of reality outside of my own head!
-Android user, please be gentle with critique on my spelling.