Enjoyed the demo! A lot of promise and love watching the videos of the process.
Couple things I noticed:
The sixth level was a toughie and i still dont feel like the way i "solved" it was the right way? I ended up just throwing the magnet down to stop the box from hitting the button.
This might be just a me thing but spacebar as the click for the menus isnt my go to, enter is, so it took me a second to figure it out.
This level has a weird thing where the magnet gets stuck on the platform if you turn around before going all the way through the hallway. Video shows it.
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