If you’re stuck on The Vault: Logic Puzzle Box, no need to worry, this walkthrough will help you out, just follow my lead.
In this guide, you’ll find clear steps for solving each puzzle from levels 11 to 20, so you won’t be stuck for too long. If you need help with previous levels, check out my walkthrough for The Vault Level 2 to Level 10.Go
The sections are easy to follow, guiding you smoothly through each stage. Take a breath, get ready to sharpen your logic, and let’s unlock these puzzles together!
The Vault Level 11 Walkthrough
Go to the right side and open the top hatch by pulling on the two lateral locks to the side. Take the pentagon and remember the symbols: X V A – similar to these letters.
Check out the lock on the top on the vault and enter those 3 symbols. Turn the valve to open the other hatch on the right and take the triangle.
Look on the back of the vault and solve the puzzle by sliding the blue tile through the hole on the right and take it. Open the hatch under the puzzle and take the clasp.
Go on the left side of the vault and put the tile in the spot on top of the map. Press on each piece of land from 1 to 7 and you’ll find a button. Go to the door of the vault and put the clasp on the metal ring in the middle, then pull it down.
Move the clasps to the side to take the box, then fit the button in the middle to find the key. Go on the right side of the door and put the pentagon and triangle in their place.
Use the key in the spot that opens up and finish the level. Watch my video walkthrough for Level 11 of The Vault to make sure you get it right:
The Vault Level 12 Walkthrough
Look on the right side an pull the zipper down. Take the red ball and then look at the column on the right. open the bottom part and pull up the ring to find the number 782.
Look at the top of the column on the left and turn the ring around to find the blue symbol. Do the same thing for the other side to find the green symbol.
You can already enter those symbols on the lock above the zipper and go find the other two on the other two columns. You’ll find a key. Now you can go on the back of the vault and tap the code in to find a star.
Look at the lamp above the numbers, open the glass door and take the triangle. Go to the left side of the vault and press the handle until the door opens fully and you can take the square.
Press the switch on top of the square and check out the top of the vault. Press each image tile until you make a hole picture and find the oval.
Look at the front of the vault, the ball with the red lights. Turn it around by sliding the band under it and remember the pattern of the black dots so you press the same ones to turn green on the front of the ball.
Open the hatch and take the circle. Go at the back of the vault and put all the shapes in their place. Take the handle base and put the red ball on the tip. Then go to the front and turn the big sphere around.
Use the handle on the new puzzle to move it across the path to the other side. Now use the key to open the vault.
Watch my video walkthrough for Level 12 of The Vault to make sure you get it right:
The Vault Level 13 Walkthrough
Go to the right side and take the box behind the little bars there. Open it and take the red USB and the green card. Check out the back of the vault and use the green card to open the top hatch.
Take the disc and the tape. Press the slit under this to open the control panel. Look on the top on the vault, open the glass doors and take the cup. Go back to the back of the vault and spread the cup over the hand print.
Use the tape to get a yellow fingerprint, do the same for the hand print on the right side. First the cup then the tape to get a red fingerprint.
Use the fingerprints on the doors on the left side of the vault to open them. Insert the disc above the front door of the vault to see the numbers 104.80. Write that code on the top digits on the left side.
Take the red card and use it on the right side of the vault at the bottom. Take the key and use it here on the top lock. Take the screwdriver and the crowbar. Use the screwdriver on the glass case under the control panel at the back.
Use the crowbar to unstuck the gears and make them work so they open the stuck door on the left. Put the USB to the left of the game and turn the pieces around to make the maze all green.
Take back the green USB and use it on the control panel at the back. That will open the door for you and end your level. Watch my video walkthrough for Level 13 of The Vault to make sure you get it right:
The Vault Level 14 Walkthrough
Go to the back of the vault and take the cog. Move the big arrow over the middle away to get to a key handle. Go to the right of the vault and use the cog to open the hatch and take the button.
Use it on the left side of the vault, next to the other 2 and stop the little balls as close to the marks as you can. You’ll find a lever to use at the back of the vault in the missing spot.
Pull both levers down and remember the 5 symbols. They look like T X O Y V. Use the key handle in the spot that shows up.
Go to the right side again and slide that key from the electric wire without touching it to the metal. Just be slow and steady and you’ll get the rod. Use it to open the door of the vault at the bottom.
Watch my video walkthrough for Level 14 of The Vault to make sure you get it right:
The Vault Level 15 Walkthrough
Take a look at the hatch on the right of the door and take the pin holding it closed and remember the symbol with one dot. Now take the red cloth from the top.
Go to the right side and press the buttons 2 and 3 until you complete the puzzle. You’ll find a symbol with 2 dots.
Go to the back of the vault and use the cloth to clean the smudge on the left side and find the numbers 4792.
Use that code on the safe lock on top of the vault. It will open the round hole and you’ll find a bottle with a telescope inside. Take that and use it on the screen under the numbers 123.
Find each item clued on the bottom: 1. tree 2. Chinese lantern 3. Statue. It will show you a symbol with 4 dots.
Check out the left side of the vault and use the red button to move the heart to the other side, you’ll find a symbol with 3 dots. Now look here in the top left corner and put those symbols in the right order.
You’ll find an arrow’s tip. Check out the top of the vault, pull the drawer out, to find the arrow’s end in the box there. Put the 2 together and use the pin to fix it in place. Use the arrow in the big heart in front.
Take the key and use it on the heart-shaped lock on the left to open the big door and finish up. Watch my video walkthrough for Level 15 of The Vault to make sure you get it right:
The Vault Level 16 Walkthrough
Go to the right and align the green stripes with the lines on each case. Take the battery that shows on the back of the vault. Solve the puzzle here by dragging a line from the green spot to the red one without missing any dots.
Take the button and remember the number 024. Go on top of the vault and open the hatch by turning the numb full circle. Remember where the Xs are and go on the left side of the vault.
Put the button last then press each one in the right order from 1 to 5 lines. Take the other battery from the back. Now go to the front and open up the 2 spheres on each side.
Put the batteries inside go to the tiles under the handle and redo the X pattern you saw on top of the vault. Now look above the handle and write 024 by pressing the lines. Turn the handle to open the door.
Watch my video walkthrough for Level 16 of The Vault to make sure you get it right:
The Vault Level 17 Walkthrough
Go to theback of the vault. Turn the clock arrow to 1-3-2-4-2 to make the same pattern as shown above. Take the lever and use it on the left case at the bottom. Turn it to open the one next to it and take the weight.
Go to the left side of the vault and put the weight on the hook to find the number 7414. Go to the front at the telephone dial and put your finger on each number, then pull clockwise towards the stop, one number at a time.
Take the key and use it on the keyhole under the clock. On the drapes to the right it is written: III -> IV -> II -> I -> II
Press these numbers on the front in that order. Check the column and stop the rings so you can take out the lever from inside.
Go to the right side of the vault and put the lever under the drapes. Put both levers down and remember the time shown: 18:45
Go to the clock in the front and drag the arrows to that time. Turn the metal bar to open the door and finish the level. Watch my video walkthrough for Level 17 of The Vault to make sure you get it right:
The Vault Level 18 Walkthrough
Take the briefcase from the front door on the left edge. Open it to find a diskette. Look at the back of the vault and take the lens from inside. Look on top of the vault and unscrew the golden lid to find a bronze key.
Go to the front and use the lens in the circle spot to find the 3 symbols, they kinda look like A X upside down Y. Enter those symbols into the padlock on top of the vault.
Take the magnet and use it on the right side of the vault to take the golden key from the mailbox. Use the keys where the key symbols are to open the drawers. In the top drawer, with the golden key, you’ll find a silver key.
Open the second drawer with that then the third one with the bronze key. Take the cog key and use it to open the vault’s door. Use the diskette in the disk reader at the bottom.
Turn the red nub to slowly set the frequency and it will give you an elevator’s card. Go at the back of the vault and use that on the right side, then press the top button, to go to the third floor.
Take the puzzle part then press the bottom elevator button to move to the 1st floor. Put the puzzle part here and move the 4 colored pieces onto the movable part, then use the 2 buttons on the side, to put them in the right place.
When you open the doors to the 1st floor and count all luggage by color: 4 dark green – 1 light green – 2 white – 4 pink.
Enter those numbers on the front side in the top left corner to finish the level. Watch my video walkthrough for Level 18 of The Vault to make sure you get it right:
The Vault Level 19 Walkthrough
The Vault Level 20 Walkthrough
Wrapping Up
That’s it, you’ve completed levels 11 through 20 of The Vault: Logic Puzzle Box! Hopefully, this guide made each step easy and helped you get past any challenges along the way.
Don’t forget, every puzzle you solve brings you closer to uncovering all the secrets hidden inside The Vault. If you’re looking for more help or ready for the next levels, be sure to explore our other walkthroughs.
Keep practicing your puzzle skills, and have fun unlocking the rest of the game. Enjoy your adventure!
Aylin is a content creator and co-founder of App Amped. She was a huge Tomb Raider fan before moving on to more casual titles. She spent way too much time tending for her FarmVille farm as well as playing text-based browser games. Now she plays and writes about mobile games, creating in-depth walkthroughs and useful guides.