Geometry Dash World is an expansion app of Geometry Dash developed and published by RobTop Games and released on December 21, 2016 for iOS, and on December 22, 2016 for Android devices. It features ten exclusive levels, split into worlds containing five levels each. It also includes a new parental control, new achievements, icons, General Collectibles and the ability to transfer data over to the full version of Geometry Dash through user accounts have also been introduced. In addition, players can play a limited number of custom levels, either by playing the Daily Level or accessing the Featured Levels page.
It contains many features from Update 2.1 that were leaked before the release of said update.