I feel like this could be more fun with a less linear progression, that you could bounce around in the level until you feel like you're strong enough to defeat the end guardian.
This would let us pursue different non-optimal upgrade paths, instead of ALWAYS have to consider exactly one question: "Which upgrade will make me most likely to survive the boss encounter at 5, 4, 3, 2, ... jumps?"
Instead we could CHOOSE to explore this <?>-nebula, because there are NOT just 1 jump left & the other option is the Trade Nexus & I have 500 coins... Instead I can go to both.
It would be nice if the POI was also detected by ACTUAL distance, so if you drive back to where you came from, you can find the same POI again, BUT this can cause the same problem as increasing the detection duration = saturate the area with POIs of no interest, like only lvl1 POIs when you're lvl 20.