Update 1.7

Update 1.7 is the seventh major update in Geometry Dash. It was added on May 21, 2014 upon announcement by the Twitter handle of Robert Topala. It introduced a new level called Electrodynamix, new speed boosts, flashing lights, and more small additions.
Introductions
- The 15th level, Electrodynamix.
- 4 boosts that set you at different speeds.
- The difficulty for Electroman Adventures was changed to Insane.
- Introduced a new background.
- Glowing spikes and blocks.
- New icons and colors.
- New achievements.
- The "rainbow" effect.
- Categories for items.
- New decorations.
Trivia
- There is a reverse speed portal colored yellow in one of the pictures, however such a portal doesn't appear in the game.
- There is also a ball in one picture that was never added.
- There is an icon in one picture that was a bit changed and brought into the game.
- In the second and fourth image, there is a Clubstep like-ground that can be colored with C-OBJ, but it was never added to the game.
- The four speed portals image preview teases the icon beaten for this level.
Gallery
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A picture featuring the speed portal.
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New Icons, balls, and a new 'bubble' background
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New decorations and backgrounds.
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A picture featuring all speed portals.