Time Machine
Time Machine is the eighth (and the third Insane) level on Geometry Dash.
Information
Time Machine introduces the mirror portals that will "mirror" the gameplay wiew. It also has a lot of gravity portals and two rocket portals appear. A secret coin can be obtained by flying through a block's non-solid material.
Rewards
Completing Time Machine on practice mode unlocks a white color and completing Time Machine on Normal unlocks the fourteenth icon.
Trivia
There is a floating obstacle at the beginning, similiar to those encountered in Dry Out. It can be even jumped over! However, unlike in Dry Out, it isn't required to obtain a coin.
Walkthrough