Theory of Everything 2
Theory of Everything 2 is the eighteenth level in Geometry Dash. It will be released in the Update 1.9 along with Blast Processing. The level is presumed to be a Demon level, although not officially confirmed. It is also to be estimated that the level, when completed, will be worth 16 stars! This has also not been completely confirmed.
Preview
On October 10, 2014, Robert Topala uploaded a second sneak peek, confirming the existence of the level Theory of Everything 2. This disproved the speculations that the second level in the update would be Eternity by DJVI. Its appearance will mark the first "v2" soundtrack in Geometry Dash. Topala played the sneak peek using his computer, showing a cursor, indicating at the release of the Steam version of the game.