Akari (Light Up) Puzzle — Free Online

Place glowing cats on the grid so every empty cell is illuminated. Numbered walls tell you exactly how many cats are adjacent. No guessing required — pure logic.

How to Play

Tap empty cells to place glowing cats
Lights shine in all four directions until blocked by a wall
Numbered cells show how many adjacent cats are needed
No two cats can see each other in the same row or column
Win when every empty cell is lit and all clues are satisfied

Difficulty Levels

Easy (5×5) — Perfect for beginners
Medium (7×7) — Standard challenge
Hard (9×9) — For experienced puzzlers