Light Grid

Turn every light off by toggling tiles and their neighboring lights. Play Starter, Classic or Expert grids, or the daily Classic challenge.

Controls

Click or tap to toggle a tile and its orthogonal neighbors. Arrow keys move focus. Z undoes and H suggests a press. Starter uses 3 × 3, Classic 5 × 5 and Expert 7 × 7.

How to play

Turn every light off by toggling tiles and their neighboring lights. Play Starter, Classic or Expert grids, or the daily Classic challenge.

Click or tap to toggle a tile and its orthogonal neighbors. Arrow keys move focus. Z undoes and H suggests a press. Starter uses 3 × 3, Classic 5 × 5 and Expert 7 × 7.

Save and continue

ZAROCER opens the game in English. Progress and records stay in this browser when storage is available. After a reload, use the native continuation or resume controls. Clearing site data can remove your save. Pause, Theater and Fullscreen keep the same game instance.