Hi! Tried out your game. It was challenging! I found that the drift in space was a bit hard to control on keyboard. The constant need to hold space bar to shoot could probably be fixed by just auto-shooting while in wave mode. At least i can hit CTRL to focus on picking up rocks while the turret does it's thing. The upgrade system is neat and I think there is some longevity and replay ability there. The amount of dust that spawns is too random making runs next negative when needing to fix the ship. It's not rewarding the player for playing well, rather punishing for the mistakes with not enough carrot on the stick to want to give it another shot. The losing of materials probably adds to it. I know this sounds like all bad news but with some improvements there is a good game sitting here. Overall, it kept me playing for some time and I I hope to see more from it as it develops.
Just like you, we too are seeking feedback and would love it if you could check out our game and let us know your thoughts! Thank you! https://itch.io/jam/feedback-quest-8-indiegames-x-indie-streamers/rate/3773442