Glad you liked the game!
As for the climbing speed, there is a hidden mechanic for that, but I was hoping people would discover by themselves.
spoiler
Thrusting the ground before spinning up the wall will give you a big speed boost. But you can keep thrusting diagonally at the wall to gain absurd speedups!
I planned more levels focused on this, but decided to cut it due to time issues. 😔
Thanks for playing!