The objective of Minesweeper is to place a flag on every Mine on the board. Not every tile will contain a mine. You have no clues from the very start, but on your first click, you will usually clear out a large area. There are 4 types of tiles: Cleared tiles, Numbered tiles, Mines, and Unknown tiles. A Cleared tile is a tile that has already been clicked on, that does NOT have a number. When this type of tile is uncovered, it will uncover other nearby tiles as well, until it reaches a Numbered tile. Numbered tiles are similar to cleared ones, except they have a number on them. This number is the amount of Mines adjacent to the numbered tile. This applies to sides AND corners. Mines are the tiles you want to avoid clicking on. Left clicking on one Mine will end the game immediately, as a loss. Note that a Cleared tile will NEVER uncover the Mine itself, as it will ALWAYS reach a numbered tile first. Unknown tiles are just tiles that haven't been clicked on yet. They could be any tile. At the start of the game, you are given some number of flags. The number of flags will always be equal to the number of Mines on the board. To place a flag, right click on a tile, and a flag will be placed on it. You can unflag the tile by right clicking on it again, and you will get your flag back. Left clicking a flagged tile will have no effect. Flags can only be placed on Unknown tiles. Once you place a flag on every Mine, you win! Some easy tips: If the number on a numbered tile is equal to the number of adjacent Unknown tiles, then all of them must be mines. If you confirm an amount of mines next to a numbered tile that is equal to the number, then the rest of the adjacent tiles cannot be mines. I hope this isn't too difficult to understand.