Editing Level Editor

The title of a level signifies its name, having a character limit of 20 characters. Spaces also count as characters when being used for a title name. Level titles are limited to alphanumeric characters. Since the search bar does not permit the use of characters that are not letters or numbers, levels that use dashes at the beginning of their title (ex. [[-sirius-]]) cannot be searched. Instead, they must be found by searching the creator's levels or scrolling through the options in the search menu. Currently, levels with special characters cannot be uploaded to the server. When the play clicks the plus (+) icon, the name writes ''Unnamed'' or ''Level Name''.

Since [[Update 2.2]], instead of using the soundtracks used in main levels and the [https://www.newgrounds.com/audio Newgrounds Audio Portal], you can use 6000+ songs in a music library, from Nocopyrightsounds(NCS) and from other creators.

If a Newgrounds song is completely verified, it can be used in the game. To do so, you must select the gear button in the top right corner, select the "Custom" option, and then type in the ID of the desired song. To find the ID of the song, you can find the song on Newgrounds. They then must download the song and click the Use button, which will use the song in the level. Anything that pulses to a regular song (such as rings and certain decorations) can also pulse to a custom song if there is a clear beat. If you have downloaded a song, you can also click the saved songs button to quickly use a downloaded song in your level. However, there is a limit to the number of songs you can have saved. Despite this, in the options menu, there is an option to remove this limit.

In the custom songs menu, there is a gear to change the start offset, playtest the music and make the music fade in or fade out.

There is a guideline editor that creates guidelines for the song. You can again put the start offset, and you can record the guidelines. You can clear them using the Clear button.

When custom music was added to the game, many people uploaded others' music to their Newgrounds page in order to use specific tracks. They then forced others in the community to scout them (Newgrounds' system of verification for allowing users to upload their songs to the audio portal: more info can be found [https://www.newgrounds.com/bbs/topic/1318101 here]), and Newgrounds moderators spent hours of their time deleting these songs. To address this, an internal whitelist of artists whose music would be allowed to be used in the game was created. Prior to March 2020, only the developer could add artists to the whitelist, where now elder moderators can also add to the list.

*In [[Update 2.2]], there is no longer a hard limit on object count. The first 'limit' at 40,000 objects and the second 'limit' at 80,000 objects still exist, but both can be removed.

File:editor_build.jpg|The level editor with the build tab open, buttons are labelled here

  |Copy Values: Copies an object's colour, groupID, and extra attributes (found in "Edit Group").

  |Colour/HSV: Allows you to edit the colour and see it update in real time. Once clicked/tapped the first time, it turns into an HSV (Hue-Saturation-Value) button, which allows you to edit the Hue, Saturation, and Brightness (Value) of an object.

  |Paste State: Pastes every attribute from the object "Copy Values" was used on, except for colour.

  |Edit Object: Used for just about every object; for many, it controls colour; for triggers, it allows you to edit their behaviour; for portals, it gives you camera options.

  |Paste Colour: The oppisite of "Paste State", only pastes colour.

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This menu contains various tools, as well as the settings that apply to the editor itself. Some are found inside the extra settings menu (indicated by the gear button) within the pause menu.

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! colspan="4" |Main Pause Menu

! colspan="3" |Extra Settings Menu

|Show Hitboxes: Shows the hitboxes of every object that has one. The hitboxes' colours correspond to their object types:

*Cyan Hitboxes: Passable hitboxes, platforms that only have collision when landing on the side opposite the direction of gravity (if gravity is down, like default, only the top side has collision). Can only be rotated at 90° increments, can only be achieved through "Edit Group".

|Resume: Returns you to the level editor.

|Swipe Cycle Mode: If you have swipe mode on, and the grid space you're selecting on has stacked objects, you cycle through the objects each time you select (as if swiping wasn't enabled).

|Hide Invisible: Hides objects with an opacity of 0, whether through colour channels, the alpha trigger, or the "Hide" option (see "Edit Group" below).

|Save & Play: Saves the level and takes you to main gameplay (this is where you play the ''real'' level).

|Show Clicks: When playtesting, orange squares are shown when the player clicks, or when you activate a gameplay trigger for some reason.

|Toggle Music Guidelines: The circular button on the left, toggles the music guidelines in the editor (see "level settings for more info"). If there is a red circle with a diagonal line over the button, music guidelines are off.

|Select All Left: Selects every single object left of your current editor position and in the current editor layer.

|Unlock layers: If "Layer Locking" is on (see 6th column), and/or you've locked any Editor Layers, then all editor layers are unlocked.

|Help: Opens the official editor guide by [[Viprin|ViPriN]] and AutoNick. It's 206 pages long.

|Uncheck Portals: Unchecks the "Preview" checkbox on all gamemode portals (see "Edit Group")

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**However, the initial release [https://forums.toucharcade.com/showpost.php?p=2942594&postcount=94 allowed practice mode to be used to verify levels].

*Prior to Update 1.8, level data was stored in base-64 format. Now it is encoded in a different format, probably so it cannot be decoded as easily as before.

*In Update 1.9, the Geometry Dash editor had 5 buttons: Copy, Paste, Copy and Paste, Edit Object, and Deselect. However, the Geometry Dash Steam trailer shows an editor with four buttons: Copy and Paste, Edit Object, Deselect, and Edit Group.

**The only exception is the BG trigger, whose "Tint Ground" feature, which also coloured G1, is no longer accessible; though BG triggers from previous updates that had this option selected still work.

*In Update 2.1, colour channels 1,000 through 1,007 and 1,009 through 1,012 were reserved for BG, Ground, Line, 3DL, Object, Player Colour 1, Player Colour 2, Light BG, Ground 2, Black, White, and Lighter respectively; attempting to use them would crash the game. Despite the bug being "fixed" in Update 2.11, players can still type in colours past 999; colours after 1,012 crash the game due to out-of-bounds edits.

**In Update 2.2, colour channels 1013 and 1014 are reserved for Middleground 1 and Middleground 2, respectively. Colour channel 1008 remains unused.

*The version of the orange teleportation portal introduced in Update 2.0 does not have a button in the editor, as it is automatically placed above the blue teleportation portal along its y-axis. It is bound to the blue entry portal by necessity of its function and consequently cannot be independently moved along its own x-axis.

**In Update 2.2, a new orange teleportation portal was introduced, which ''can'' be independently placed on the x-axis. A second blue teleportation portal was also introduced, which works in tandem with this new variant.

*The message "You can't create more than 100 custom objects" is misleading, as the actual custom object limit is 50.

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