Kojun — Free Online Region Number Puzzle

Kojun

Region Number Logic Puzzle · 30 Levels

Level Info

Level1 / 30
DifficultyBeginner
Grid
Clues
Stars
Time0:00
How to Play:
1. Each region must contain numbers 1 to N exactly once (N = region size).
2. Orthogonally adjacent cells must have different numbers.
3. Within a region, vertically adjacent cells: upper number > lower number.

Click a cell to cycle through numbers. Right-click or long-press to erase.

Levels

Settings

🔊 Sound Effects
🎵 Music
⚡ Auto-Check
🎉

Level Complete!

Great job! Ready for the next challenge?
🏆

All Levels Complete!

You've mastered all 30 Kojun puzzles. You're a true logic champion!