The History of Light is a fun simple puzzle game where the player’s goal is to turn off all the lights on the grid. Stimulate your brain with 100 unique levels: 20 levels in 5 different and exciting worlds. Collect stars to unlock new worlds. Think carefully before your next move as it might cost you stars! Discover new mechanics and challenging puzzles as you unlock new worlds. Learn short trivia about the history of light whenever you unlock a new world.