Based on the classic Lights Out! game, Black out is a test of your puzzle solving skills. Try to get all of the lights to turn off! When you tap one light, it and all of the lights around it switch making it quite a challenge depending on the size of the game! With 3x3 and 4x4 sizes, achievements and records the challenge continues. Leave a comment if you want a feature added and a rating! Also, check out the full version of Black Out for only $.99! Adds the 5x5 game and new achievements and records to go with it!