
They then must download the song and click the Use button, which will use the song in the level. To do so, a player must select the gear button in the top right corner, select the "Custom" option, then type in the ID of the desired song. If a song is completely verified, it can be used in the game. Since Update 1.9, instead of using the soundtracks used in main levels, there is the option to download other music from the Newgrounds Audio Portal. See the page on level components for more information. Also includes a few stationary hazards.Rotating objects: includes achromatic, monochromatic, and dichromatic saws and rotating decorations.Also includes coloured versions of 1.0 to 1.5 blocks.Air-based decorations: includes achromatic, monochromatic, and dichromatic decorations.Ground-based decorations: includes glow.Interactive objects: includes transporters, portals, monsters, animated objects, collectibles, and text.3D decorations: includes basic outlines and 3D versions of blocks.

Stationary hazards: includes spikes and thorns.Slopes: includes achromatic, monochromatic and dichromatic slopes, with or without an outline.Outlines: includes horizontal, platform and sloped blocks.Also includes invisible blocks, outlines, and slopes, as well as breakable blocks.Platforms: includes achromatic, monochromatic and dichromatic platforms, with or without an outline.Blocks: includes achromatic, monochromatic, and dichromatic blocks, with or without an outline.As of currently, levels with special characters cannot be uploaded to the server. Instead, they must be found by searching the creator's levels or scrolling through the options in the search menu.

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 cannot be searched. It will turn into a dash and can be used in the title on release. The dash, however, can be added by typing a swear word that is restricted by the game.

