How do you get the orange key in geometry dash?

Furthermore, how do you get the key for the gatekeeper in geometry dash?

To unlock The Gatekeeper, the guy in the basement tells you that where he is. You have to click the ground portion of the "Coming Soon!" screen in the level page. The Gatekeeper's door then comes up, and he asks for a Master Emblem. This can then be bought in Scratch's shop for 1000 mana orbs, and he'll let you in.

Also Know, how do you unlock the Chamber of Secrets in geometry dash? Geometry Dash The Chamber of Time and how to Unlock it. The title describes it. So to start, complete the challenge (In the vault of secrets) Then go to the basement and click the chest. Then talk to the demon guy about the keys.

Similarly, you may ask, what is the fastest way to get diamonds in geometry dash?

You get diamonds usually from quests, they are the best way to get it. Chests also gives them, and daily levels too. You don't have to beat the daily level to get some, you get some depending on your percentage complete. As for orbs, you get them from levels.

What is the master emblem?

The Master Emblem is hidden in Scratches shop (the rope in the tresure room) you need 500 diamonds to access his shop and i think 1k orbs to buy the master emblem. The master emblem is basically the key to let you in to it. it lets you into the Chamber of Time.