A very fun but unforgiving game that rewards patience! I like the super smooth controls and how cleanly the level reads, which is ideal for a game like this. The music is also perfect for getting the player in the zone and enticing them to have just one more try after yet another encounter with the spikes. (This is also accomplished by seamlessly placing the player back at the start of the level with no interruptions, I like that a lot!)

Not sure if it was intended or not, but I frequently exploited the 'infinite mass' of the spaceship to nudge the planet (not sure how one would even manage to get past the long, interlocking spikes otherwise) as well as to damp the planet's momentum. This is a bit more tedious but also way safer than either shooting or towing the planet with the grapple (the grapple was by far the most fun and satisfying way of controlling the planet, but also very dangerous).

If you do intend to continue working on the game (which I think it certainly deserves) you could maybe think of adding a failure spectrum to incentivise the player to play just a bit more recklessly, since in my opinion that's where the fun lies. Even so, this game turned out great!