Clutterfunk

Clutterfunk is the eleventh level in Geometry Dash, and the second Insane rated level. It is also the only ever level to give 11 stars.

Information
Clutterfunk is often regarded as a relatively difficult level. Many traps and introduces new obstacles, sawblades and tiny spikes. Some of them are the Mini Gravity Balls tight timings, the "hall-based" Rocket segments, and the mini-Cube sequences. This level added more aesthetics such as the gears.

Clutterfunk also introduces the size Portals which shrinks or enlarges the player's icon in the different modes.

Rewards
Completing Clutterfunk in normal will unlock a new rocket icon. Completing it in practice unlocks a dark pink primary color with the achievement "Funky!".

Trivia

 * The secret coins in Clutterfunk are very difficult to get.
 * Two of the three coins are collected in rocket segments
 * The first 40 seconds of the real Clutterfunk soundtrack is removed, possibly due to the disturbing voice
 * Along with Electroman Adventures, Clutterfunk also unlocks a Ship when its completed in Normal Mode.
 * Clutterfunk can be beaten in 1:35 without dying.