I enjoyed the visual style, and feel of driving around. I got 3 obelisks decoded, but then it stopped letting me pick up crystals even though I’m pretty sure I should have been able to.
I also found myself wanting some kind of other visible features to help orient myself, or at least more control of the camera. I also couldn’t get the ‘return to base’ feature working, at least not at the end.
Regardless, there’s a lot here that was done well, so nice job!