Merge dominoes. Get to thirteen!
Merge Dominoes. Get to thirteen! is a clever number-based puzzle that puts a fresh spin on classic tile games. Instead of matching identical numbers, you combine adjacent dominoes whose values add up to 13. Each successful merge clears those tiles from the grid, opening new space and creating opportunities for bigger chains. The game’s simple premise hides a surprising depth—every move counts, and planning ahead is key to avoid running out of options. As you progress, the challenge ramps up. You’ll need to think strategically about tile placement and sequence, balancing immediate wins against long-term board control. With its clean visuals and relaxing pace, it’s perfect for sharpening your math skills while unwinding. Whether you have a few minutes or a longer stretch, the game invites you to puzzle out each grid one merge at a time.
Common Core State Standards
Every game supports specific Common Core standards. Browse the full standards library.
Practice by Skill
Games by Grade
What is Merge dominoes. Get to thirteen!
Merge dominoes to reach the number 13 and watch the board clear. A simple yet brain-teasing puzzle awaits.
How to Play
Tap or click two adjacent dominoes whose values add up to 13 to merge them. Keep merging until the board is cleared or no more moves remain.
Tips for Playing
- Look for multiple pairs that sum to 13 in a row to chain merges.
- Plan your moves ahead to avoid isolating tiles that can’t be paired.
- Prioritize merging tiles near the edges to open up the center.
- If stuck, try merging any available pair—it might create new opportunities.
- Keep track of remaining tile values to predict future pairings.
Frequently Asked Questions
What happens when I merge two dominoes?
When you merge two dominoes whose values add up to 13, both tiles are removed from the board, and new tiles may appear or the grid shifts.
Can I merge more than two tiles at once?
No, you only merge exactly two adjacent dominoes at a time. But after a merge, new spaces can enable further merges in a sequence.
What if I run out of possible moves?
If no adjacent pair sums to 13, the game ends. You can restart the level or try a different strategy to avoid dead ends.
Is there a time limit?
No, you can take as long as you need. The game is purely about logical thinking and planning.
Do I need to be good at math?
Only basic addition is needed—just find pairs that add up to 13. It’s more about spatial reasoning than advanced math.
Can I play on my phone?
Yes, the game is designed to work on both desktop and mobile devices, so you can play anywhere.