Geometry Dash Crimson Clutter is an Insane Demon level rated 10 stars created by RedUniverse. It is a challenging remake of Nine Circles and is widely regarded as one of the most difficult Nine Circles levels in the game. The level has a blood-red crimson motif, hence the name, and is noted for being harder than both Antique Circles and Catastrophic.
0-10%: This level begins with a double speed cube with some lining. There are also troll orbs, jump pads, and a bit more.
11-15%: The player then enters a difficult ship sequence that includes gravity portals and orbs. It is important to be precise with timing.
16-23%: Next, the player moves into a half-speed cube section by doing a few jumps.
24-75%: The beat then drops, and the player launches into a triple-speed wave segment that is similar to the Nine Circles levels. This segment is very difficult.
76-100%: This level ends with a difficult ship sequence, which involves hitting orbs as well as going through gravity changes.