Which new extreme levels of Geometry Dash are coming in 2025?

[Esmirrasnda]

From current sources, here are the extreme/top difficulty levels or related features in Geometry Dash Lite confirmed or very likely:

Global Demonlist Updates

Amethyst has overtaken Tidal Wave as the hardest demon level as of May 2025.
Geometry Dash Lite

Thinking Space II holds one of the top spots just below.
Geometry Dash Lite

Andromeda

Andromeda is now verified as an Extreme Demon and is placed in the Top-5 hardest levels.
Dashword.net

Geometry Dash 2.21 Update (Potential Nov 2025)

Rumors / announcements suggest that 2.21 will include Random and Chance Gauntlets, featuring the top 10 winning levels in the Random Gauntlet Contest.
Dashword.net

Community “Upcoming Levels” & Mega-Collaborations

Levels under development or awaiting verification, particularly in the Extreme Demon category. For example: HELIOPOLIS (a Top-1 difficulty level independent of refresh rate), ORBIT, RETURN 0, etc.
geometry-dash-fan.fandom.com

MindCap (a prominent level creator), among others, is involved in these projects.
geometry-dash-fan.fandom.com

Space Gauntlet Contest Results

The Space Gauntlet contest has produced several newly rated levels, including some Mythic and Legendary ones (e.g. Final Orbit, Aperture, Alien Dream Emulator). These may not all be “Extreme Demons” but are among the hardest rated content.