Lighthouses is the classic logic puzzle with the same name. Your goal is to figure out where the various boats are located. There are clues (lighthouses) that tell you the number of boats they can see. The puzzles can be solved in a step-by-step manner, and you should never have to guess. Lighthouses is free and contains 416 puzzles in 4 different sizes, from 5x5 to 8x8. The game includes both a Swedish and an English version.