Theory of Everything 2
Theory of Everything 2 is the eighteenth level in Geometry Dash. It will be released in the 1.9 update along with Blast Processing. The level is presumed to have "demon" level difficulty, but this has not yet been confirmed.
Introduction
On October 10, 2014, Robert Topala uploaded a second sneak peek, confirming the existence of Theory of Everything 2. It also disproved that the second level in the update would be Eternity. Its appearance will mark the first "v2" soundtrack in Geometry Dash. Topala played the sneak peek using his computer, showing a computer cursor, hinting at a possible release for the PC.
Description
Theory of Everything 2 will introduce a new gradient pattern background, and also includes the three-dimensional blocks shown in earlier preview images. The level starts off with several sets of jump rings. The level also shows blocks them are same but them have different player color. That means as next update could have new "Edit object" for every block that allows to change that block's color.
Also, the level officially introduces laser like decorations .