One per row
Every horizontal line contains exactly one dot.
A color logic puzzle for iPhone & Android
Read the colors. Rule out the impossible. Place one dot in every row, column, and region—without letting any two touch.
One per row, column & color
How to play
Every board starts colorful and open-ended. Each move narrows the possibilities until the only answer left feels inevitable.
Every horizontal line contains exactly one dot.
Every vertical line contains exactly one dot.
Each connected color region gets exactly one dot.
Dots cannot meet—not even across a diagonal.
Choose your rhythm
Settle into a campaign, keep a daily ritual, or turn clear thinking into a race.
Campaign
A guided path from friendly 5×5 grids to denser logic challenges.
Daily puzzle
A fresh featured board each day, with streaks worth coming back for.
Speedrun
Solve quickly, build momentum, and see how many boards fit in one run.
Designed for flow
Chromadots keeps the interface quiet and the logic visible. There is no clutter between you and the next useful deduction.
See structure across the full board.
Hold several constraints in mind.
Move from clue to clue without friction.
A little more detail
Place exactly one dot in every row, every column, and every color region. Dots cannot touch horizontally, vertically, or diagonally. A correct board can be solved entirely through deduction.
Yes. The daily challenge gives everyone a fresh featured board each day. Campaign mode offers longer progression, while speedrun mode is designed for short, high-energy sessions.
No. Chromadots is built around clean logic. Each puzzle is designed so that row, column, region, and adjacency constraints lead to a valid solution without random guessing.
Chromadots is being prepared for iPhone and Android. Store links will appear here as soon as the public releases are ready.
Your next favorite logic ritual
Chromadots is coming to iPhone and Android. Keep this page close—the store links will light up when the first public build is ready.
Campaign · Daily puzzle · Speedrun