Adadi
The math crossword, with a new puzzle every day
▶ Play nowFree, no install, right in your browserGoogle PlayComing soonApp StoreComing soon
🧮Add, subtract, multiply, divide
📅A daily puzzle and streaks
💡Hints when you are stuck
🌍English, Arabic, Persian, Urdu
A look inside



How to play
- Every row and every column is an equation.
- Take a number from the tiles and put it in an empty box.
- The equations cross: each number must work both ways.
- Every puzzle has exactly one solution. No guessing, just math.
FAQ
Is it free?
Yes. The web version is completely free and ad-free. The mobile app is free with ads between levels, never in the middle of a puzzle, and one purchase removes them.
Who is it for?
Ages 13 and up, with three age groups and four difficulty levels in each.
Do I need an account?
No. There is no sign-up; your progress stays on your own device.
Which languages?
English, Arabic, Persian and Urdu. Switch language and digit style in the game’s Settings.