Lights puzzle

Lights puzzle. Playing Instructions: The objective of the game is to turn all 25 "lights" on. Clicking a square will toggle its light (as well as the lights of all horizontally and vertically adjacent squares) on and off. Languages supported: English, français, español, Deutsch, русский, 中国的, 日本人, 한국의, العربية, italiano. for following users: lights out, puzzle, games.