Level 20 - Shopping Mall

Video Walkthrough

Objective

Escape from the shopping mall after hours by collecting items throughout different areas including the main floor, parking garage, fashion shop, and upper floor, solving various puzzles including elevator chip puzzles, battery puzzles, fire cabinet puzzles, slider puzzles, bowling puzzles, and triangle puzzles, operating mechanisms like elevators, fire sensors, and ticket machines, and finally obtaining a parking ticket to exit the mall.

Step-by-Step Solution

  1. Start in the main shopping mall area
  2. Collect a Step (1 of 5) from the floor by the bench
  3. Collect another Step (2 of 5) from on top of the vending machine on the right
  4. View the Vending Machine
  5. Collect the screwdriver from the plant on the right
  6. Tap the power cord to unplug the machine
  7. Use the screwdriver on the front of the machine to open a panel
  8. Collect a Chip from the opened panel
  9. Tap on the elevator under the PARKING sign to view the Button
  10. Tap the button to open the panel and install the Chip
  11. This will start an elevator chip puzzle
  12. Solve the elevator chip puzzle - there are 4 large slots on the board on the left and 8 small chips on the right
  13. You need to fit the 8 chips (2 in each slot)
  14. The lines on the chips need to match up to the lines on the sides of the slots
  15. You can tap chips to rotate them and drag them into the positions
  16. Once solved, the button is now working and you can call the Elevator to go down to the Parking Garage
  17. In the parking garage, collect another Step (3 of 5) from the top of the red cabinet on the left
  18. Collect the Yellow bowling Ball from the ground on the right
  19. Tap the car to open the hood and look inside
  20. Use the screwdriver to disconnect and collect the Battery
  21. Look on the left side of the garage on the floor to find a green box
  22. Collect the blue Magnetic Key from the green box
  23. Back up to the main shopping area and tap on the 'Fashion' shop on the left
  24. You will see the door lock control
  25. First try the magnetic key on it to find that it doesn't work
  26. Use the screwdriver on it to open the bottom panel and find some wires
  27. Add the battery to the wires and connect them
  28. Tap the battery to start a battery puzzle
  29. Solve the battery puzzle - there are various sliders that you can move left and right on each row to connect the terminals
  30. When the connections are correct the lights will come on
  31. You need to get all the lights on on the grid to complete the puzzle
  32. Once completed the panel will have red lights
  33. Use the Magnetic key again and the shop will open
  34. Before going into the shop, make a note of the colors of the clothing in the shop display window
  35. Return to the Parking Garage and view the green box on the floor again
  36. There is a code lock with 6 buttons
  37. Tap the buttons to change the colors - the clue is the colors of the clothes in the fashion shop display
  38. Collect from the Box an Adjustable Wrench and a Sponge
  39. Go back up and enter the Fashion Shop
  40. In the fashion shop, collect the Ladder on the left
  41. Collect another Step (4 of 5) and a green Ball from the floor
  42. Tap to view the counter on the right
  43. Collect the Ruler from the side of the till
  44. View the vent cover that is on the wall on the far right side of the shop under some hanging clothes
  45. Use the screwdriver to open the cover and collect a blue Detail (1 of 3)
  46. Back out of the shop and view the Vending machine again
  47. Tap at the bottom to look closer and use the ruler underneath the machine to collect a round Detail
  48. Head back into the shop and tap on the door in the center of the back wall under a small red sign
  49. Look inside this cupboard to find a red Fire emergency cabinet
  50. Add the round detail to the slot on the right and you will start a fire cabinet puzzle
  51. Solve the fire cabinet puzzle - there are 4 sliding blocks on the lower right and 4 matching symbols on the left of the board
  52. Use the center circle to move the blocks over to the left to line them up and match the symbols
  53. You need to make sure that the blocks end up the right way up as well as in the right order
  54. This opens the cabinet
  55. Collect the blue Detail (2 of 3) and the Stick (handle) from the cabinet
  56. Use the wrench on the red valve wheel on the left to collect the Valve
  57. Head back down to the Parking Garage and view a pipe on the square pillar on the right hand side
  58. Add the Valve Wheel to it and turn it, this will turn off a water supply
  59. Go back up to the main area and look in the water fountain on the left, it is now empty
  60. Collect the red Ball from the side of the fountain
  61. Collect the Step (5 of 5) from inside the fountain
  62. Tap on the Escalator, there are steps missing
  63. Add the 5 steps you have and you can go up to the upper floor
  64. On the upper floor, collect the Blue Ball from the floor
  65. View the broken game machine on the right wall
  66. Collect the Knife from the side of the machine
  67. Collect a Rag from the bucket on the left
  68. View the Stick in your inventory and add the Rag to it to collect a Torch
  69. View the counter of the cafeteria at the back
  70. Collect the Key and the Empty Kettle from the cafeteria counter
  71. Go down to the main area and view the Vending machine again
  72. Use the knife on the cable to cut and collect the Wire
  73. Go down to the Parking Garage and use the Key on the red cabinet on the left to open it
  74. Collect the Pincers and a Handle from the red cabinet
  75. Go back up to the upper floor and view the Cafeteria counter
  76. Use the Pincers to collect a blue Detail (3 of 3) from the fryer
  77. Use the Torch on the Fryer to dip it in the oil, you collect the Torch again
  78. Now you have 3 details, head back to the shop
  79. Tap to view a drawer under the till on the counter
  80. Add the 3 details to it and you will start a slider puzzle
  81. Solve the slider puzzle - the game board is filled with colored sliders
  82. There is a ball at the top and a hole towards the lower left
  83. You need to arrange the sliders so that the ball will roll down and enter the hole
  84. Collect the Pink Ball and the Hammer Part from the open drawer
  85. View the Hammer Part in your inventory and add the Handle
  86. You need to use the knife to cut the handle and then it will assemble the Hammer
  87. You should now have 5 Balls (Yellow, green, red, Blue, Pink)
  88. Go back up to the upper floor and view the Bowling alley machine
  89. Add one of the balls to the machine and then press the red button to start a bowling puzzle
  90. Solve the bowling puzzle - the puzzle board is a grid of rows with balls
  91. At the end of each row is a number
  92. Arrange the balls on the grid so that the correct number of balls is in each row to match the numbers
  93. There are 5 puzzles, one for each ball
  94. Once complete you can collect the Insulating Tape
  95. Return to the broken game machine on the right
  96. Add the Wire to it and then use the insulating tape to fix the power cable
  97. You can then plug it in and turn it on
  98. Use the hammer to hit the button on the machine and when it lights up you can collect a Key
  99. Go down to the Fashion Shop
  100. View a light bulb hanging on the left
  101. Hit this with the hammer to break the glass
  102. Use the Torch on the exposed element to light it and get the Burning Torch
  103. Go down to the Parking Garage
  104. Place the ladder on the left
  105. Tap the ladder to view the Fire sensor on the ceiling
  106. Use the Torch on the sensor to activate the sprinklers
  107. Now use the Kettle on the dripping water from the sprinkler
  108. This will let you collect a Kettle with water
  109. Return to the cafeteria and place the kettle back on the stand and tap the button
  110. Then you can collect the Boiling Kettle
  111. Go back to the Shop, and look inside the changing room on the back left behind the curtain
  112. View the mirror inside
  113. Use the kettle on the mirror and it will reveal a 6 digit number
  114. Return to the electronic till on the counter
  115. Enter the code into the till screen and then use the key to open the cash drawer
  116. Collect another Key and a Banknote from the cash drawer
  117. Go back upstairs and open the top left locker on the left of the area
  118. There is a locked box inside
  119. Use the key on this to open it and find a triangles puzzle
  120. Solve the triangles puzzle - this is a jumbled up picture
  121. Each pair of adjacent triangles can be swapped by tapping the small round buttons between them
  122. Arrange the triangles to assemble the correct image
  123. Once it is open you can collect the bottle of Alcohol
  124. View the Sponge in your inventory and add the Alcohol to it
  125. You collect the Sponge
  126. Return to the Parking Garage
  127. Use the Sponge on the licence plate of the car to clean it
  128. Get the number from the license plate
  129. View the ticket machine under the Exit sign
  130. Add the banknote to the slot of the machine then enter the car license number
  131. This will let you collect a Parking Ticket
  132. Place the parking ticket in the slot on the left of the machine and the gate will open
  133. You can now escape the Shopping Mall and complete Level 20

💡 Tips & Tricks

  • Keep track of how many steps you've collected - you need all 5 to repair the escalator
  • The elevator chip puzzle requires matching lines on chips to lines on slot sides - rotate chips to align them
  • The battery puzzle requires connecting all terminals correctly - move sliders left and right to connect them
  • Remember the colors of the clothing in the fashion shop display - you'll need them for the green box code
  • The fire cabinet puzzle requires matching symbols and ensuring blocks are right way up
  • You need to collect all 3 blue details before you can solve the slider puzzle in the drawer
  • The slider puzzle requires arranging sliders so the ball rolls into the hole
  • You need all 5 balls (Yellow, green, red, Blue, Pink) for the bowling puzzle
  • The bowling puzzle has 5 separate puzzles, one for each ball - match the numbers at the end of each row
  • You need to create a torch by combining stick and rag, then dip it in the fryer oil
  • The mirror in the changing room reveals a code when you use the boiling kettle on it
  • Clean the car license plate with the alcohol-soaked sponge to get the number for the ticket machine
  • The triangles puzzle requires swapping adjacent triangles to complete the image

⚠️ Common Mistakes

  • Not collecting all 5 steps before trying to use the escalator
  • Not rotating chips correctly in the elevator chip puzzle - lines must match exactly
  • Forgetting to note the clothing colors in the fashion shop display for the green box code
  • Not collecting all 3 blue details before attempting the slider puzzle
  • Not ensuring blocks are right way up in the fire cabinet puzzle
  • Trying to solve the bowling puzzle without all 5 balls
  • Not dipping the torch in the fryer oil before using it on the fire sensor
  • Forgetting to activate the sprinklers before collecting water in the kettle
  • Not using the boiling kettle on the mirror to reveal the till code
  • Not cleaning the license plate before trying to enter the number in the ticket machine
  • Trying to swap non-adjacent triangles in the triangles puzzle - only adjacent ones can be swapped
  • Not collecting all required items before attempting puzzles

Additional Notes

Level 20 - Shopping Mall is the twentieth and final episode in Tricky Doors, taking place in a shopping mall after hours where you must collect items, solve puzzles, operate various mechanisms, and find a way to escape. This level introduces modern commercial-themed gameplay mechanics and complex multi-step puzzle sequences in a contemporary shopping environment.

What You'll Learn

  • Multi-Area Navigation: Moving between the main floor, parking garage, fashion shop, and upper floor
  • Item Collection Tracking: Collecting multiple items of the same type (5 steps, 5 balls, 3 blue details)
  • Puzzle Variety: Solving different types of puzzles including chip puzzles, battery puzzles, fire cabinet puzzles, slider puzzles, bowling puzzles, and triangle puzzles
  • Tool Crafting: Combining items to create tools (torch, hammer)
  • Mechanism Operation: Operating elevators, fire sensors, ticket machines, and other commercial devices
  • Clue Integration: Using environmental clues (clothing colors, mirror code, license plate) to solve puzzles

Core Mechanics Introduced

  • Elevator Chip Puzzle: Fitting chips into slots with matching line patterns
  • Battery Puzzle: Connecting terminals by moving sliders to light up all lights
  • Fire Cabinet Puzzle: Matching symbols by sliding blocks into correct positions
  • Slider Puzzle: Arranging colored sliders to create a path for a ball
  • Bowling Puzzle: Arranging balls in rows to match numbers (5 separate puzzles)
  • Triangles Puzzle: Swapping adjacent triangles to complete an image
  • Multi-Step Item Collection: Collecting items across multiple areas to progress
  • Tool Assembly: Combining items to create tools (torch = stick + rag, hammer = hammer part + handle)

Level Structure

This level consists of four main areas:

  1. The Main Floor: The starting area with the vending machine, elevator, escalator, and water fountain
  2. The Parking Garage: Contains the car, green box, red cabinet, and ticket machine
  3. The Fashion Shop: Contains the counter, vent, fire cabinet, and changing room
  4. The Upper Floor: Contains the broken game machine, cafeteria, bowling alley, and lockers

Key Puzzles

  • Elevator Chip Puzzle: Fitting 8 chips into 4 slots with matching line patterns (main floor elevator)
  • Battery Puzzle: Connecting terminals by moving sliders to light all lights (fashion shop door)
  • Fire Cabinet Puzzle: Matching symbols by sliding blocks into correct positions (fashion shop)
  • Slider Puzzle: Arranging sliders so a ball rolls into a hole (fashion shop drawer)
  • Bowling Puzzle: Arranging balls in rows to match numbers, 5 puzzles total (upper floor)
  • Triangles Puzzle: Swapping adjacent triangles to complete an image (upper floor locker)

Difficulty

Hard - This level is very complex, requiring careful item collection across multiple areas, solving various puzzle types, tool crafting, and precise puzzle solving. The main challenges are tracking all items (5 steps, 5 balls, 3 details), solving multiple puzzle types, understanding puzzle mechanics, and correctly operating mechanisms. Most players can complete it in 45-60 minutes on their first attempt.

Estimated Completion Time

45-60 minutes for first-time players, 30-40 minutes once you understand the item locations, puzzle mechanics, and mechanism operations.