Angry Happy Smiley

Turn every smiley from angry to happy Can you do that?Play the long awaited game, angry happy smiley A variation of the classic quot;Lights outquot; gameThe game is simple, you have to get all the smiley happy, can you do that? Only one way to find outHint:Click until you found a configuration which has adiagonal symmetry axis. After that click always thesame on both sides of the diagonal symmetry axis.This keeps the symmetry until you find a solution.This game requires internet connection.