Yooo, dope, man. You made this?
I really liked the unique ideas in this and I think they definitely have potential. This gravity surface especially is really sick and trippy, but that's a good thing. Also, I really like the shiny and reflective aesthetic of the whole thing. The way the levels zoom into play from the menu is also cool.
Some things you could improve: While the shiny look was cool, often I felt like it hindered visibility, especially on the tornado level. the tornados are already almost invisible so it doesn't help if the surface below them is super shiny and bright too. The tornados themselves I didn't like that much, because they stopped all velocity and threw you into some random direction without any chance of intervention. Then, the jump height feels a little too low for the size of the marble, but maybe that's intentional. I struggled a lot on these disappearing hexagons, often I felt like I couldn't jump right after landing, but needed to roll on them first. You should turn down the volume on the mines a bit, they absolutely jumpscared me! Is there a pause screen, or a way to restart the level? Escape didn't do it for me, and I got stuck on tje planets on No Ball's Sky, so I had to quit the game. And last thing: I feel like the OOB triggers are too large, it became tiring having to wait for the OOB to trigger when I've clearly already dropped out of the level.
The powerups seem good, although I could totally see this airplane powerup thingy be overpowered. Also, maybe I missed it, but it felt like you could not move up and down with them by pressing space.
Overall, a cool game with a lot of cool ideas that just need some retouching until they feel right.