Level 12 - Mars

Video Walkthrough

Objective

Escape from the abandoned Mars station by collecting items throughout the facility, solving various puzzles including slider puzzles, beam reflection puzzles, color matching puzzles, number arrangement puzzles, mathematical operation puzzles, and pattern matching puzzles, operating laboratory equipment, assembling a ladder, printing a steering wheel, and finally escaping from Mars.

Step-by-Step Solution

  1. Start in the first room of the Mars station - click on the blue box on the left
  2. Collect a chip from the right side of the top of the box
  3. Click on the papers on the left to enlarge them - click on the paperclip in the right corner to collect it
  4. Click on the smaller box in the middle of the room - collect a detail from the bottom right corner
  5. Add the chip to the box and click on the top to start a mini-game
  6. Solve the slider puzzle by setting all sliders at the top of the red line - positions vary for each player
  7. Once solved, the box opens - collect a screwdriver and rubber glove
  8. Click at the bottom of the table on the left - use the screwdriver on the screws to remove the panel
  9. Open the door to the right above the tank - use the rubber glove to remove the fuse
  10. Click on the panel on the door at the back of the room - use the screwdriver to remove the panel on the right
  11. Click to enlarge it and add the fuse and the clip to start another mini-game
  12. Solve the beam reflection puzzle by directing the beam from beginning to end using mirrors - move and rotate mirrors, you must use all mirrors
  13. Once solved, the doors to the next room open
  14. Look at the picture on the right showing colored planets - this is the combination clue for the lock in the first room
  15. Return to the first room and find the lock on the left side of the door
  16. Solve the color combination lock using the planet colors - order is red, blue, green, yellow, then click the middle button
  17. Once opened, collect a tube from the top shelf and a detail from the bottom
  18. Go back to the second room - use the screwdriver on the vent on the right
  19. Once opened, collect another type of detail from the vent
  20. Collect two details from the table - a green one in front of the laptop and a blue one on the left side
  21. Click on the red box in the left corner - collect duct tape from the left of the box and a green detail on top
  22. Return to the first room - use the blue details on the big box to unlock another mini-game
  23. Solve the rotation puzzle by rotating the four circles so that colored stones are opposite stones of the same color
  24. Once solved, the box opens - collect a wrench and powder
  25. Use the wrench on the oxygen tank at the bottom of the left table
  26. Click on the door on the right of the room - add the blue detail to unlock a mini-puzzle
  27. Solve the colored ball puzzle by moving colored balls to places of corresponding color
  28. Once opened, collect a reducer from the top shelf and a paintbrush from the bottom
  29. Combine the oxygen tank, tube, and reducer together to create an oxygen balloon
  30. Go into the second room and click on the laptop on the table
  31. Click on the powder and then on the laptop to put it on the table
  32. Use the paintbrush on the powder and the duct tape on top to lift a fingerprint
  33. Return to the first room and click on the panel on the table on the right
  34. Use the fingerprint on the panel and click on the top to open the chamber
  35. Collect a green detail and access card from the chamber
  36. Go back to the second room - there is a glass section on the left
  37. Click on it and use the access card on it to unlock a mini-game
  38. Solve the number arrangement puzzle by rearranging numbers so that sums in rows and columns equal the numbers on corresponding plates
  39. Once completed, the door opens
  40. Put the duct tape on the suit where the rip is
  41. Click on the suit to turn it around - the back will open
  42. Collect the last green detail and place the oxygen balloon inside
  43. Click on the space suit to add it to your inventory
  44. Collect another type of detail from the right side
  45. Add all five green details to the lock in the door at the back of the room
  46. This unlocks another mini-game - solve by drawing a beam from start to finish using all the guides
  47. Once completed, go through the doors to a lift
  48. Use the space suit to go to the surface
  49. Collect items from the surface: reddish detail and step next to the yellow object with solar panels on the right of the ladder
  50. Collect another step in the background when clicking on the welding machine to the right of the ladder
  51. Collect sonar panel from the ship
  52. Collect crowbar by the ladder
  53. On the ship, click on the bottom monitor on the left first
  54. Click on the panel with the lock to open the door to the ship
  55. Return to the first room - click on the right side
  56. Use the crowbar on the door on the right to open it
  57. Collect fan blades from the top shelf and a step from the bottom
  58. From the second room, use the crowbar on the glass panel on the right to remove it
  59. Collect a step and a solar panel once opened
  60. Find the red box near the door leading out - place the details into it
  61. This reveals a mini-game - solve by moving yellow chips to the holes
  62. Once completed, collect the last step, last solar panel, and a welding gun from the box
  63. Go outside and add the solar panels to the yellow stand on the left of the ladder
  64. Add the fan blades to the device on the right of the ladder and click the red button to turn it on
  65. Add all steps to the ladder on the floor
  66. Add the welding gun to the wire on the floor
  67. Use the welding gun to weld the steps on and add the ladder to your inventory
  68. Use the ladder to get onto the spaceship
  69. Click on the box on the left - there is a code needed to open it
  70. On the left side, see the letters Li, U, Ba - this refers to the periodic table
  71. Return to the first room - click on the monitor on the right side of the door twice to show the periodic table
  72. Click again to enlarge it - find the numbers: Li = 3, U = 92, Ba = 56
  73. Input the code (3, 92, 56) into the box on the ship
  74. Once opened, collect a key and a tip
  75. Click on the monitor at the front of the ship - collect a grey detail from it
  76. Click on the steering wheel to remove it
  77. Collect a cartridge from the boxes on the right side in the foreground
  78. Exit the ship - there is a vehicle on the left side
  79. Place the key in the yellow panel to unlock a mini-puzzle
  80. Solve by moving chips to corresponding places according to their patterns
  81. Once completed, the panel is removed - click on the vehicle again
  82. Collect a grey detail from the empty cube on the right
  83. Click on the left cube to open it - click again to add the battery to your inventory
  84. Return to the second room - notice the panel on the right side of the table
  85. Use the details from your inventory on this panel to unlock a mini-puzzle
  86. Solve by moving colored chips and combining symbols to create the same symbol as on the plate above on chips of the same color
  87. Once solved, the panel opens - collect a detail and scanner
  88. Return to the ship - at the front, use the scanner on the steering wheel you removed to get a scanner with data
  89. Use the detail on the panel on the right to unlock a mini-game
  90. Solve the mathematical operation puzzle by getting the result of all numbers on the side plates using numbers and mathematical operations - you must use all numbers
  91. Once completed, collect a handle from the back of the helmets
  92. Note the numbers above the fourth helmet (e.g., 58478) - remember this code
  93. Use the handle on the trap on the floor of the ship
  94. Click again to open it - place the battery inside and collect a cartridge from here
  95. Return to the second room - put the scanner with the laptop
  96. Input the code from the helmets (e.g., 58478) into the laptop
  97. Click on the display and add the cartridge to the left and right of it
  98. Add the tip to the left arm
  99. Click print on the laptop - it will make a steering wheel
  100. Once it stops printing, add the steering wheel to your inventory
  101. Add the steering wheel to the front of the ship
  102. This starts the last mini-game - solve by flattening out the yellow line
  103. Once solved, click on the blue orb to complete Level 12 - Mars

💡 Tips & Tricks

  • Keep track of all details you collect - you need specific amounts of blue, green, and grey details for different puzzles
  • The slider puzzle positions vary for each player - adjust sliders until all are at the top of the red line
  • The beam reflection puzzle requires using all mirrors - plan your path before starting
  • The color combination lock uses planet colors from the picture - order is red, blue, green, yellow
  • The rotation puzzle requires matching colored stones to stones of the same color on opposite sides
  • The fingerprint is created by combining powder, paintbrush, and duct tape on the laptop
  • The number arrangement puzzle requires rows and columns to sum to the numbers on plates
  • The periodic table code uses element symbols: Li=3, U=92, Ba=56
  • The mathematical operation puzzle requires using all numbers - plan your equations carefully
  • Remember the code from the helmets above the fourth helmet - you'll need it for the laptop
  • Make sure to collect all steps, solar panels, and fan blades before assembling the ladder
  • The final yellow line puzzle positions vary - adjust until the line is flattened

⚠️ Common Mistakes

  • Not collecting all required details before attempting puzzles (blue, green, grey details)
  • Trying to solve the slider puzzle without understanding that all sliders must be at the top of the red line
  • Not using all mirrors in the beam reflection puzzle
  • Missing the planet color clue for the combination lock
  • Not combining the oxygen tank, tube, and reducer to create the oxygen balloon
  • Forgetting to create the fingerprint using powder, paintbrush, and duct tape
  • Not solving the number arrangement puzzle correctly - rows and columns must sum correctly
  • Not remembering the code from the helmets for the laptop
  • Trying to solve the mathematical operation puzzle without using all numbers
  • Not collecting all steps, solar panels, and fan blades before trying to assemble the ladder
  • Forgetting to add the oxygen balloon to the space suit before collecting it
  • Not using the periodic table correctly to find element numbers
  • Trying to print the steering wheel without adding cartridges and tip to the printer

Additional Notes

Level 12 - Mars is the twelfth episode in Tricky Doors, taking place in an abandoned Mars station where you must collect items, solve puzzles, operate laboratory equipment, assemble a ladder, print a steering wheel, and escape from the red planet. This level introduces space-themed gameplay mechanics and complex multi-step puzzle sequences.

What You'll Learn

  • Multi-Room Navigation: Moving between the first room, second room, spacesuit room, surface, and spaceship
  • Item Collection Tracking: Collecting multiple items of the same type (blue details, green details, grey details, steps, solar panels)
  • Puzzle Variety: Solving different types of puzzles including slider puzzles, beam reflection puzzles, color matching puzzles, rotation puzzles, number arrangement puzzles, mathematical operation puzzles, and pattern matching puzzles
  • Equipment Operation: Using tools and operating laboratory equipment (screwdriver, wrench, crowbar, welding gun, 3D printer)
  • Item Combination: Combining items to create tools (oxygen balloon, ladder, steering wheel)

Core Mechanics Introduced

  • Slider Puzzles: Adjusting sliders to reach target positions
  • Beam Reflection Puzzles: Directing beams using mirrors that must be rotated and positioned
  • Color Matching Puzzles: Matching colored items to corresponding colored locations
  • Rotation Puzzles: Rotating circles to align colored stones
  • Number Arrangement Puzzles: Arranging numbers so rows and columns sum correctly
  • Mathematical Operation Puzzles: Using numbers and operations to achieve target results
  • Pattern Matching Puzzles: Matching chip patterns to corresponding locations
  • Element Code Puzzles: Using periodic table elements to create numeric codes
  • 3D Printing Mechanics: Printing items using a 3D printer with cartridges and tips

Level Structure

This level consists of five main areas:

  1. The First Room: Starting area with boxes, tables, panels, and the color combination lock
  2. The Second Room: Laboratory area with laptop, vent, glass panels, and printer
  3. The Spacesuit Room: Contains the spacesuit, access card puzzle, and beam guide puzzle
  4. The Surface: Mars surface with ladder, solar panels, fan device, and spaceship
  5. The Spaceship: Interior with monitors, boxes, mathematical puzzle, and steering wheel puzzle

Key Puzzles

  • Slider Puzzle: Setting all sliders at the top of the red line
  • Beam Reflection Puzzle: Directing beam from start to end using all mirrors
  • Color Combination Lock: Using planet colors (red, blue, green, yellow)
  • Rotation Puzzle: Rotating circles to match colored stones
  • Colored Ball Puzzle: Moving balls to corresponding colored locations
  • Number Arrangement Puzzle: Arranging numbers so rows and columns sum correctly
  • Beam Guide Puzzle: Drawing beam from start to finish using all guides
  • Chip Movement Puzzle: Moving yellow chips to holes
  • Periodic Table Code: Using element symbols (Li=3, U=92, Ba=56)
  • Chip Pattern Puzzle: Moving chips to match patterns
  • Symbol Combination Puzzle: Combining symbols to match plates
  • Mathematical Operation Puzzle: Using numbers and operations to achieve targets
  • Final Yellow Line Puzzle: Flattening out the yellow line

Difficulty

Hard - This level is very complex, requiring careful item collection, multiple puzzle types, clue integration, mathematical skills, and precise item management. The main challenges are tracking all items, solving various puzzle types, understanding periodic table codes, and assembling the ladder correctly. Most players can complete it in 40-50 minutes on their first attempt.

Estimated Completion Time

40-50 minutes for first-time players, 25-30 minutes once you understand the puzzle mechanics, item locations, and clue combinations.