What do you think about the game?
I do agree with PSYTECH's comment. It's a bit too simple and easy
[takes away the fun part in having such games].
You can try adding some twist to photos so it makes the whole process harder...
- Add or rather divide the image into more squares.
- Have more than a single lady in a photo then add some sort of blocks to some of the nipples so even if they guessed the right area for one of the nipples, they have to find more nipples before they can unlock that level.
In regards to your next version, you might want to also consider having different winners for each level so you don't end up having one person winning it all
[allow both parties to win or recover something].