Ravno: Math crossword

Ravno means “equals”. It's a math crossword: just like the crossword you know, but with equations instead of words. Rows and columns cross on numbers. Every board can be solved by logic alone, start to finish, with no guessing. A proper workout for your brain.

Make it your own:
- 3 difficulty levels: numbers up to 20 on Easy, up to 99 on Medium and Hard.
- Boards from 7×7 to 11×11, plus taller shapes that fit long phone screens.
- Mix and match addition, subtraction, multiplication, division and remainder.
- No repeats: every game gets a freshly built board.
- 2 lives per game, and hints that refill daily for the really tough spots.
- Five color themes. Sound and vibration can be turned off.
- No internet needed.