with chrome you can play unlimited account. just add and google account to each window
preference (or setting i means) ---> users---> ad a other user
don't forget you can play 2 account in the same browsers. Do like this
1. log at face book. log in top11 at topeleven.com/play --> wait for it recogine your Facebook account (about 2-3 seconds)
2. open a new tab. change your facebook account and log in app.facebook.com/topeleven
when you log out facebook in other tab it don't change the FB id that topeleven.com collected