Sudo Xattr -r -c /applications/geometry\ Dash.app Work < Must Read >

Extended Attributes. The invisible metadata hiding behind the file name.

Run this to see what attributes exist before clearing: sudo xattr -r -c /applications/geometry\ dash.app

Ensure Geometry Dash and Steam are completely closed. Extended Attributes

The command sudo xattr -r -c /Applications/Geometry\ Dash.app might look like gibberish if you aren't a developer, but it’s actually quite logical: The command sudo xattr -r -c /Applications/Geometry\ Dash

How to Fix Geometry Dash on macOS: Using the xattr Command If you’ve recently downloaded Geometry Dash on your Mac—whether via Steam or a third-party source—and found that the game refuses to launch, you aren't alone. One of the most common fixes involves a specific terminal command: sudo xattr -r -c /Applications/Geometry\ Dash.app . Why Won’t Geometry Dash Open?

If you ever want to re-add the quarantine flag (e.g., before sharing the app):