LudoStudio presents… · Friday, October 30, 2026 Next edition in --:--:--

File No. 07

Vertically coded lock

  • Letters & words

The idea

Each row of a grid carries a fixed ring of four letters — the right one and three decoys — that the player rotates until it lines up with a shared target column, like dialing in a combination cryptex.

The goal Make the hidden word appear, letter by letter, in the target column.

How to play

Animated example

Each row is a ring of 4 letters; the purple column is the target.
  1. Find the target column

    Each row of the grid is a ring of four letters: the right one and three decoys. Every row shares the same target column.

  2. Rotate the rows

    Use the arrows to turn each ring, like the dial of a cryptex, until the right letter lands in the target column.

  3. Read the word

    When every row is set, the word reads from top to bottom and the lock opens.

Good to know

  • Three word lengths to choose from: 5, 6 or 7 letters.
  • The fewer rotations you use, the better your score; your record is saved.
  • Hints are available, and Reveal shows the answer.

Why “Verticode”?

Verticode is a vertical code. Like on a combination lock, each row of letters turns left or right, and the secret word reads from top to bottom, in the target column.

Ready to play?

Today's puzzle is waiting for you.

The same for everyone, until midnight UTC.

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