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Quick Answer

Enter 503, 12, 616, 5297, 357, 64, 523, 097, and 9374 for Red Door puzzles 1–9, respectively. Use the moon to reveal line clues and triangle dots; puzzle 9 copies digits from earlier answers.

What are all nine MONOMOON Red Door answers?

Use the answer matching your puzzle number below.

PuzzleAnswer
1503
212
3616
45297
5357
664
7523
8097
99374

Keep the leading 0 when entering 097 for puzzle 8. For progression beyond these nine puzzles, use the MONOMOON puzzle walkthrough.

How do you count turns in puzzle 2?

Count direction changes, excluding the opening straight movement, to get 12.

Exclude the opening straight movement

Leave the initial straight movement out of your count because it is not a turn.

Count each turn

Count changes in direction along the drawing rather than individual line segments.

Enter 12

Enter 12 as puzzle 2's answer.

How do you read puzzle 3's illustrations?

Combine the answer parts shown in the left and right illustrations to get 616.

  1. Read the part supplied by the left illustration.
  2. Read the part supplied by the right illustration.
  3. Combine both parts and enter 616.

How do you read puzzle 7's dots and lines?

Dots identify digit positions, while the lines identify segments belonging to those digits; the answer is 523.

Shine the moon on the image

Use the moon to reveal the highlighted lines.

Match each dot to a position

Use each dot to identify which digit position its line describes.

Compare the available lines

Compare the highlighted segment with the other available lines in that grid. Narrow each position to the single digit that fits those lines.

Enter 523

Enter 523 for puzzle 7.

How do you read puzzle 8's triangle dots?

Each triangle's dot count equals its number of lit edges; the answer is 097.

Reveal the dots

Shine the moon on the triangles to reveal the dots inside them.

Count the dots in each triangle

Count each triangle's dots separately.

Match the lit edges

Use each dot count as the number of edges that must be lit around that triangle.

Enter 097

Enter 097, including the opening 0.

How do you read puzzle 9's answer slots?

Copy digits from the matching earlier answers into 1 / 2 / 1 groups to form 9374.

Find the matching earlier puzzles

Look at the puzzles on the 2nd floor, above your current floor. Match their layout to puzzle 9's clue arrangement. The clue shapes match the answer boxes used in earlier puzzles.

Read the highlighted positions

Use the highlighted dots to identify which positions to copy from those earlier answers.

Group the copied digits

Arrange the copied digits as 9 / 37 / 4, following the 1 / 2 / 1 grouping.

Enter 9374

Enter all four digits as 9374.

What should you check when you are stuck?

Check what each clue represents: turns, digit segments, lit edges, or earlier answer positions.

For puzzle 2, remove the opening straight movement from your turn count. For puzzle 7, read each dot as a digit position and its line as a required segment. For puzzle 8, count lit triangle edges using the dots revealed by the moon. For puzzle 9, read 1 / 2 / 1 as four digits split across three groups.

If your obstacle is an elevator, use the MONOMOON elevator puzzle guide. For collectible questions beyond these puzzles, open the MONOMOON items guide.

FAQ

The answers below address turn counting and the final three Red Door puzzles.