Lovely game. With great art! Perhaps you can be a bit forgiving/lenient with the jumps and give a bit extra jump height to the player. I found myself stuck in multiple areas due to poor planning and couldn't jump. Also I could only reach around 191m and so I didn't quite understand the motive of those collectibles? Also why do other collectibles disappear after one is picked up? Perhaps it's some choice/decision based on above levels? Do they allow you to jump more or build anything or run a lot? Will try it again sometime later to try and use those.