Winter 2017 contest cubic world

I gave myself the mission to make a simple yet adictive game made
with just shapes Mission completed.

Get cubic world.

rp-interactive.nl/cubic-world.zip

clip : https://www.youtube.com/watch?v=6GcXgIvxeNc

Nice game, I like the smooth appearance.
Does the "player trace cubes" have any shader or does the fade out just appear blurry because of the shadow?

it appears blurry because of the shadow but it looks somewhat cool so i kept it this way.