Cool concept! I think this was the start of a cool game idea, one that I actually had a similar idea for in the past. The models and UI were nice. It was hard to tell how much fuel or resources a route would take, so it was difficult to predict what choices need to be made. There were also a few bugs: the shop said Food/Fuel x10, but you actually only get one. On the mineral planets, you can just spam the "mine minerals" button as long as you want. Keep at it!