Classic Mines

In this game there will be a grid of covered blocks. There may be mines in some of the blocks. The purpose of this game is to open all the blocks without opening a mine. When you open a block, a number will be shown telling you how many mines are adjacent to the block, and you can use this information to figure out which block has a mine and which block doesn't. Right click (or press the spacebar) to put a flag on a block when you think that a bl