Cave Digger – How to Unlock the Mystery Vault

How to find the four keys.

The Mistery Vault

Please note: all credit goes to Zorkn!

When you go down to the mines, sometimes you will find The Mistery Vault on one of the walls.

This vault needs to be opened with 4 keys you have to find in the game and will lead to the “End: Unlock the Mystery Vault”.

Cave Digger - How to Unlock the Mystery Vault

Key #1

How to get it:

  • Tip #1: Where? In the “Mushroom Area”.
  • Tip #2: How? Eat something.
  • Solution: You have to go down to the mines until you get in the “Mushroom Area”. There, you have to find the mushrooms and eat one. While you are tripping, you can find the key floating around. If you don’t find it, eat another mushroom and try again. I’ve found the key in the “Meteor Trip” and the “Fall Trip”.

Key #2

How to get it:

  • Tip #1: Where? In the “Lava Area”.
  • Tip #2: How? Find the key and get it.
  • Solution: You have to go down the mines until you get in the “Lava Area” (the one with the black rocks). There, you have to find the key in the rocks and break them to get it. Use the scanner to make it a little easier to find. If you use explosives, the key might fall off, but it will spawn again on the elevator.

Key #3

How to get it:

  • Tip #1: Where? In the Saloon.
  • Tip #2: How? Buy something.
  • Solution: Buy a lot of upgrades until the key shows up in the shop. It costs $1.000 to buy.

Key #4

How to get it:

  • Tip #1: Where? In the Saloon.
  • Tip #2: How? Break something.
  • Solution: Break the radio in the Saloon with the pickaxe, the key is inside.

Opening the Mystery Vault

You can put the keys in the vault at any time and any order, even if you don’t open it, the keys will stay in the vault until you start a new game.

After you introduce the four keys, turn the handle on the bottom.

The vault is now open, go inside…

Volodymyr Azimoff
About Volodymyr Azimoff 15060 Articles
I love games and I live games. Video games are my passion, my hobby and my job. My experience with games started back in 1994 with the Metal Mutant game on ZX Spectrum computer. And since then, I’ve been playing on anything from consoles, to mobile devices.

1 Comment

  1. I have a question.
    I have 3 keys the( space ,radio and the black key but the gold key i had bought it at the beginning but now i dont find it i have try everyting and no luck any recomendations i already unlocked almost everyting need help

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