Play the long awaited game, angry happy smiley! A variation of the classic "Lights out" game!
The game is simple, you have to get all the smiley happy, can you do that? Only one way to find out!

Hint:
Click until you found a configuration which has a
diagonal symmetry axis. After that click always the
same on both sides of the diagonal symmetry axis.
This keeps the symmetry until you find a solution.

This game requires internet connection.

Screenshots: