Rally cool game! The worlds are very impressive. I like seeing the different planet types you came up with and exploring them! The crafting system was really unique. It was fun trying to figure out the combinations, but after a while, I felt like I was just guessing. It seemed like I needed to make all the combinations to unlock the next machine (after the furnace), which is a little much. Might be better for engagement to have them unlock a little quicker. I didn't feel the combinations were super intuitive. I had a lot of fun digging around and seeing what the different materials were. I also think a little added shadow would go a long way in this game. Great work!