N-Queens: Puzzle Game

N-Queen problem was devised in 1848. In this problem,N queens of chess are to be placed such that each queen is safe from the other queen. This is a classical puzzle problem which is solved by backracking. The algorithm used is quite easy. In this game, you have to show your mental skills by solving different levels given in this game. You can share your time you took to solve the problem on the LeaderBoard and find out how other people across the globe are performing and where do you stand in between them.