Theory of Everything 2

Theory of Everything 2 is the eighteenth official level of Geometry Dash, a redone version of Theory of Everything and the second official level to be rated "Demon". It is unlocked by collecting 20 secret coins (30 prior to Update 2.0).

Description
Theory of Everything 2 introduces invisible sawblades and invisible slopes, as well as fake slopes. This is the first level to introduce the mini-wave and the double-speed wave. It is the only level to end in double-speed mode.

Secret Coins

 * The first secret coin is located at 13%, in the first mini ship sequence. After you go through an inverted-gravity portal, immediately hold then let go. You will go down through a small gap to get the coin then get back to the normal route.
 * The second secret coin is located at 65%, in the second wave sequence. After you maneuver through the third diagonal hallway, the wave is required go down through a small tunnel to get the secret coin.This takes precise timing and practice.
 * The third secret coin is at 84%, and is hidden above the course of the fifth cube sequence. After you exit the reversed gravity ship section (the one after the slowed cube sequence), jump on the two jump rings, even the one marked with an 'X'. Then perform a late jump, collect the coin, and jump again on the edge of the platform.

Trivia

 * Theory Of Everything 2 is the only level which is a sequel of a previous level.
 * Theory Of Everything 2 is the only level to feature two music composers: DJ Nate and F-777.
 * The name Theory of Everything 2 exceeds 20 characters by 2 characters and is too long to type in as the name of a level.
 * Theory of Everything 2 takes 1 minute and 33 seconds to complete and requires a minimum of 93 jumps.