Domino Regions — Free Daily Logic Puzzle
Place dominoes so every region's constraint holds.
Domino Regions is a free daily logic puzzle where you fill coloured regions with dominoes so that every sum, equality and comparison constraint is satisfied at once. Every board is verified by a solver, so it always has exactly one solution and never requires a guess. Free, no signup, new puzzle daily at 00:00 UTC.
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Difficulty
Difficulty
Unlock with ProDominoes (6 left)
How to play
Rules
The board is split into colored regions. Each region has a constraint written in its corner:
- =5 — pip values inside the region sum to exactly 5.
- = — every pip inside the region shows the same value.
- <3 — every pip is less than 3.
- >3 — every pip is greater than 3.
Pick a domino from the tray, choose an orientation with Rotate, then tap the cell where you want its first half. Click a placed domino to pick it back up.
Solve every region using every domino exactly once. A new puzzle drops at 00:00 UTC.
How to play Domino Regions
- 1You are given a set of dominoes and a board split into coloured regions.
- 2Drag a domino onto the board; rotate it while dragging to switch between horizontal and vertical.
- 3Each region carries a constraint — a required sum, all pips equal, or a comparison such as greater than a value.
- 4Every domino must be placed and every region constraint must hold at the same time.
- 5The board is solved when all dominoes are used and no constraint is broken.
Domino Regions strategy
Start with the most constrained region
A region demanding a high sum in few cells has very few legal dominoes. Placing there first removes options everywhere else, whereas starting in a loose region simply produces work you will undo.
Count pips before you place anything
Add the pips of your whole domino set and compare it with the total demanded by the sum regions. The difference tells you how much slack the free cells absorb, which often forces a specific high domino into a specific place.
Treat equality regions as anchors
Regions requiring identical pips only accept a small family of dominoes. Fixing those first usually splits the board into two independent halves that are far easier to finish.
Domino Regions — frequently asked questions
What is Domino Regions?
A daily constraint logic puzzle where dominoes must be placed so that every coloured region satisfies its sum, equality or comparison rule.
How do you play Domino Regions?
Drag dominoes from the tray onto the grid, rotating as needed, until every domino is placed and every region constraint is met.
Does every puzzle have a solution?
Yes. Boards are generated and then verified with a backtracking solver, so each one has exactly one valid arrangement reachable by deduction.
Is Domino Regions free?
Yes, the daily board is free and requires no account.
Is it like Pips?
It belongs to the same family of domino constraint puzzles, with drag-and-drop placement, rotation while dragging, and a solver-verified unique solution.
How often does the puzzle change?
A new board is published every day at 00:00 UTC and is the same for every player.
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