I love the idea, however I do have a couple things I dislike.
- The fact that you need to be at a certain progression in order to access certain things in the level makes trying to go as far as you can with your current state less exciting, maybe adding some checkpoints could fix this.
- You are able to die at the first spike until you have every bit of progression done, and it doesn't feel at all rewarding. Maybe start the player out without any threats and force them to complete a small challenge to get access to a spike? Or even destroy spikes after they've already been hit.
Otherwise, very cool! :)