[mishop]

5% winers until now :) Or the players are too smart or the game is not too hard ?

[XERQ]

If you're looking to add difficulty, it might make sense to remove a horizontal and vertical row and make it 4x4.

[stinos]

5% winers until now

Where do you see that?

[mishop]

Google Analytics - Events.

[tlunter]

It's probably real wins, but this? ;)

ga("send", "event", "game", "end", 'game-won', '1000000');

[mishop]

Yes. This :)