i finished the game by it's own rules (no hydrogen free voyages ahahah), it feels a bit repetitive due to enemies not being randomized (some even have spawning point overlapping the ship spawn so on wave end you spawn and lose a life instantly), another issue is the margin out of the map, i get why it's there but some asteroid get stuck there and you have to blind fire to destroy them, all this to learn for maybe a post-jam update/revision?
as for the movement/control i got used to it but i have to say a more engaging one would really add something to the game
i know a week is not so long because i had to publish an unfinished game to!! so i feel you