Game play/1 feature in php

I need a php expert who can add following feature to our website: Our registered users have virtual pets, they must be able to select one pets per species and make them super pet in order make battle with other users pets of other users. Each pet will be trained(training program), given special forces, their super level will based on training and their victories on other fish. User can ask to other users to become fans of their super pet in order to get more points When they win There would be a place to see super pets list and any user can challenge others super pet if they have same species super pet will have a dedicated page with a description and his victories... We have already the website, this is an extra feature...