Bolck Number-World Puzzle Challenge

This is a very interesting puzzle game, the players click on the block, its adjacent block number will be reduced by 1, in the specified time will be all square is zero, you can pass. Game have 50 levels, the difficulty level gradually increasing. This is a simple and cheerful development of the left brain, right brain thinking game. Come and challenge it!
1 click on one of the block, adjacent to the number of points will be reduced by 1, until all the block number are zero, otherwise the game ends.
2 each level has a game time limit, with the shorter, the higher the star obtained.
4 to play a good game, you must quickly react and carefully.