ONE SMALL SKILL AT A TIME
Find your solving rhythm.
Choose a rule to explore. Make a few moves. Let the patterns click.
8
Exact sums
Find the right combinations and make every region add up.
Start practicing =Equal values
Match the values inside each region, even across different dominoes.
Start practicing ≠All different
Keep track of used values. Every cell needs something different.
Start practicing <5Inequalities
Learn to spot tight limits and keep your totals below the clue.
Start practicing ⋈The bigger picture
Bring every rule together on a larger board with ten dominoes.
Start practicingStart with the why.
New to domino logic? Our rule guide explains every symbol with a small example.
Explore the rules