FS91 Brainery

DOTS · DOMINO LOGIC

Make every dot count.

BOARD SIZE
00:00
DIFFICULTY

0 / 6 placed0 regions complete
Choose a domino, then tap a square to place it.
Preparing offline play…

DOTS AT FS91 BRAINERY

A board. A few dominoes.
One satisfying fit.

Fill every colored square using all the dominoes. Missing squares are outside the board: tiles cannot cover or cross them. Each half occupies one square, and tiles can cross region boundaries.

  1. Select a domino in the tray.
  2. Click the selected domino again to rotate clockwise. You can also use R to rotate or F to flip.
  3. Drag it onto the board, or tap a board square to place its first half. The second half goes right or down.

Tap a placed tile to return it to the tray. Use the region list to check each rule. A number is an exact sum; = means all values match; ≠ means all values differ. Zero counts as a value.

New puzzles and board shapes are randomly generated at every board size. Choose difficulty separately from board size. Easy uses smaller regions and more direct clues; Hard uses larger regions and more possibilities. Difficulty is estimated using a bounded solver, so individual puzzles vary. Any valid solution wins. After a win, choose Next puzzle to keep the same size and difficulty.

Any arrangement satisfying every rule wins. Hints place a tile from a known solution and return any conflicting tiles to the tray.

FS91 BRAINERY

Keep Brainery close.

Install the website for quick access and offline Dots puzzles. No account needed.

iPhone or iPad: Open the site in Safari, tap Share, then Add to Home Screen. Enable Open as Web App if offered.

Android: Open the site in Chrome and choose Install app or Add to Home screen from its menu.

Computer: Look for an install option in your browser’s address bar or menu. In Safari on Mac, choose File → Add to Dock.

Open Brainery online once to prepare offline play. New app versions become available after you close all Brainery windows and reopen it.