Geometry Dash 2.21 — Apk |work|

According to developer Robert Topala (RobTop), Update 2.21 is intended to be a "minor" update that includes features originally delayed from the massive 2.2 release:

The initial 2.2 launch introduced "The Tower," a short, story-driven platformer mode. Update 2.21 expands on this lore by unlocking the , bringing more official platformer levels, narrative progression, and unique boss fights. 5. Quality of Life Updates & Editor Overhauls Geometry Dash 2.21 Apk

The 2.21 update is designed to polish and expand the systems introduced in 2.2. According to developer Robert Topala (RobTop), Update 2