The 1.0 version of Geometry Dash World contained 8 trails, rather than 7. Prior to Update 2.0, the glow effect was exclusively associated with Trail 2 and did not have an option to independently enable or disable it, meaning that the specific trail had to be used to enable the glow effect.It is unlocked simultaneously when Trail 2 is unlocked, which was introduced in Update 1.7. There is a special option available in the Trails section to ‘Enable glow’, which forms an outline of the selected secondary colour to surround the edges of the selected icons.The trailer for Ultimate Destruction uses the cube unlocked for completing 'Can't Let Go' in normal mode.This is what it looks like in the old files This is what it looks like in GD world's old files However, data can be transferred from these games using user accounts to the full version, which is required to unlock cubes 65 to 71 from Geometry Dash Meltdown, cubes 72, 75 and 154 from Geometry Dash World, and cubes 143 to 148 from Geometry Dash SubZero. The Icon Kit is shown in full for all games, but for those other than the full version, their available unlockables are limited. Customization options can be unlocked by completing achievements, buying from the shops and finding rewards in various chests from gauntlets, the Treasure Room and Basement. In addition, trail and death effects can be selected, although none of these have any physical effects on gameplay. A series of icon designs can be selected for each form as well as corresponding primary and secondary colours, although these are applied to all forms and cannot be selected individually.

The Icon Kit is a feature that allows players to change their appearance in Geometry Dash, Geometry Dash Lite, Geometry Dash Meltdown, Geometry Dash World and Geometry Dash SubZero.

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