For Geometry Dash players who have found vaults, but do not know the code, in this guide, there are all the knewn vault codes.
Vault Codes
gandalfpotter (Unlocks trail)
robotop (Unlocks robot)
mule (Unlocks ship)
neverending (Unlocks UFO)
blockbite (Unlocks UFO)
ahead (Unlocks wave)
lenny (Unlocks icon)
spooky (Unlocks icon)
sparky (Gives you a coin)
8-16-30-32-46-84 (Opens wave)
“Your Username” (Opens icon)
robotop (Unlocks robot)
mule (Unlocks ship)
neverending (Unlocks UFO)
blockbite (Unlocks UFO)
ahead (Unlocks wave)
lenny (Unlocks icon)
spooky (Unlocks icon)
sparky (Gives you a coin)
8-16-30-32-46-84 (Opens wave)
“Your Username” (Opens icon)