Game Description. How could a game with numbers and boxes be so amazingly difficult? Play free Minesweeper online and find out. The goal of Minesweeper is to find where all the mines (bombs) are within a specific field of squares. To help you, the game shows a number in a square which tells you how many mines there are adjacent to that square. Your task is to work out where the mines are without detonating any of them. So you're probably asking yourself, how could this possibly be difficult? Play free Minesweeper online and discover the creative challenge that is Minesweeper.