Sealdoku: Logic Puzzles

A colorful grid. A few simple rules. One satisfying solution. Sealdoku is a seal-themed logic puzzle where every placement follows a deduction.

HOW TO PLAY

• Place exactly one seal in each row, column and colored region.

• Seals cannot touch, even diagonally.

• Tap a tile to mark an exclusion; double-tap to place a seal. Read the grid and eliminate positions that cannot work.

1,000 PUZZLES TO EXPLORE

Start with smaller grids and progress toward larger, more intricate boards. Each campaign puzzle has one verified solution and can be solved using the supported logic rules, without guessing. Difficulty builds as you discover new deductions.

A DAILY PUZZLE

Return for a new daily challenge alongside the main campaign.

HELP WHEN YOU NEED IT

Use hints when you are stuck, mark excluded tiles and choose optional automatic crossing. Sound, vibration and reduced-motion settings let you adjust the experience.

Pastel regions, a soft coastal setting and cheerful seal feedback accompany each puzzle. Think through the next move, learn from a mistake and enjoy the moment when the board falls into place.

Start with a row, compare the colors and follow the clues to the next seal.

The game interface and tutorial are available in English and Simplified Chinese. The game contains ads.