Hey bro, way fun, you build up the levels well in difficulty.
The gravity pulling is the best part, I love whipping around the planets and flying across the map.
I couldn't get past the level where you have to navigate between 4 planets in a narrow corridor though. As the steering is the challenge, it does not lend itself to precision steering, you have to hold it just perfect to steer through narrow spaces like this.
Small thing, I wish that when I completed the level it ended, instead I let go and I get blown up. Maybe some people like that they can still travel around when it's complete, but I want to get the gratification of completing the level.
Oh, shoot, I wish I could save too.