I'm really glad you liked it, I loved slingshotting through narrow gaps during my testing. A radar was something I considered adding and probably would have if not for the time constraints forcing me to pick my battles. I'm planning on updating the game after the game jam judging period is over to fix a couple bugs and adjust the luck factor downward a bit, so I may also add a couple of the features I had to scrap to meet the deadline. The spawner currently uses a weighted table to randomly select asteroids, aliens, and salvage when spawning things in front of you with the only restraint factor being a cap on the number of aliens that can spawn based on how many repair kits you've collected (capping out at 5 while waiting for the hyperdrive countdown).