At this point I only know of three computer games that have been made that involve tickling, and one was never finished. So with such a small number of possible subjects a specific section would be very underused, and not warrented.
If you mean games that people play with each other involving tickling and such, (such as this little piggy etc) once again I've not seen such a huge flood of these that would warrent a specific area. If I see a sudden jump in such posts I'll consider it.
Myriads