I got all the way thru to Level 20, the end of the demo, in my first attempt, and Steam says it lasted 10 minutes XD While that is a little small for a demo, I commend the solo dev immensely on the many things this demo did right - tutorial, done excellently well. Simple control scheme, intuitive and responsive. Ball felt JUST large enough and slow enough on screen to be able to follow visually without it getting lost, or getting impatient at it being too slow. The upgrades each felt substantial, and I c...