Lists

Lists are a feature of Geometry Dash, being introduced in Update 2.2. They are accessed from the creator menu.
Description
Lists are, essentially, user-created gauntlets. The player creating the list can choose what levels to put in there, then can give the list a name, as well as a custom icon that appears next to the name. Beating every level in a featured list will grant the player a specified number of diamonds, as well as new achievements if they beat enough.
Trivia
- Though it is still not yet known how they are calculated and the current theory is very inconsistent, it seems the way diamonds are calculated for lists is # of levels * 5. This currently cannot be confirmed though, as there are many inconsistencies across lists.