This is where the conversation becomes delicate. RobTop Games has historically tolerated fan projects, provided they do not directly monetize or blatantly copy proprietary assets (like the official soundtrack by MDK or Waterflame). However, many github.io clones cross into legal ambiguity:
Most "Geometry Dash github.io" sites use to recreate the iconic cube-jumping mechanics. By leveraging static site hosting , these projects can deliver high-speed gameplay without the need for complex back-end servers. geometry dash github.io
You want to save your progress, unlock official icons, listen to the full official soundtrack, or support the developer, Robert Topala. This is where the conversation becomes delicate