Game description: Lake puzzle. A lake is a body of water that is surrounded by land. Natural lakes are generally found in mountainous areas and rift zones. In this game, You can choose the level of difficulty: 9x9, 8x8 or 7x7. Click a piece and drag it to the solution area. Use the thumbnail picture at the top to help solve it. Jigsaws can help logic skills and those who have good logic and deduction skills are usually good with puzzles.