Optimization is poor, unfortunately, though understandable. Didn't figure out how to progress to next level (record time seems too high for an entry level), graphical bugs after playing for a while. Other than that it was a fun experience!
Thanks for giving it a try @Hamzak! I’ve found that turning off SS Reflections (in the settings menu) can help a lot with performance. It will be off by default in the next release. Turning off motion blur can help too, and worst-case you can reduce resolution (though admittedly I need to do some optimization too).
The second level is actually disabled because it wasn’t quite ready yet. I don’t plan on barring entry based on your record times, those are there more as a goal. Also, the next release will feature online leaderboards when you play through the itch.io app, which hopefully will provide more variety in record times.
Mind sharing what graphical glitches you encountered?