Mentamic: Maths Crossword

Contains adsIn-app purchases
Content rating
Everyone
10+
Downloads
Content rating
Everyone
Users Interact
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About this game

Build a maths crossword and challenge a friend. Mentamic is a strategy game for one or two players: create intersecting equations and compete for points.

Place numbers, operators, equals signs and parentheses on a 9×9 board. Build valid equations, find useful intersections and make each move count. Combine mental arithmetic with tactical thinking

Play solo, challenge friends or meet random opponents. Games are turn-based: choose from 10 minutes to 3 days of thinking time per move and return to ongoing games later.

In Mentamic, you can:
• Invite friends with a link, SMS or email
• Find and add other players
• Chat with your opponent
• Track your Elo rating and solo high scores
• Use +, −, ×, ÷, powers and nth roots

Enjoy number puzzles, logic games and a little competition? Build your own maths crossword, one move at a time.
Build a maths crossword and score points. Play solo or take turns with friends.
Updated on
Aug 6, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, Personal info and 4 others
  • This app may collect these data types
    Location, Personal info and 6 others
  • Data is encrypted in transit
  • You can request that data be deleted
  • Committed to follow the Play Families Policy