Being unable to upgrade the size of the dropping cubes makes Tier 17 and 18 super laggy, it is a LOT of tiny blocks. I had to prestige to un-lag myself. Even refreshing doesn't fix the broken upgrade in the upper right corner for me.
It isn't broken. Only white cubes make the bar move. It's pretty terrible actually.
Ohhhh thank you! I didn't buy white cube upgrades I guess past the 1st round.
Sorry for the confusing specifications.