Free brain-training game
About Light Grid
Turn every light off. Tapping a square flips it and its up, down, left and right neighbours. Every board is solvable. Undo or reset whenever you like.
How to play Light Grid
- 1Turn every light off. Tapping a square flips it and its up, down, left and right neighbours. Every board is solvable. Undo or reset whenever you like.
- 2No timer
- 3A hinted puzzle gives practice points, but does not count toward stars.
What Light Grid trains
A bright little logic puzzle
Learn about Working Memory Games for Adults: Recall and Updating Tasks →Tips & strategy
- Ready when you are
Frequently asked questions
How to play
Turn every light off. Tapping a square flips it and its up, down, left and right neighbours. Every board is solvable. Undo or reset whenever you like.