Rarely do the developers at Square-Enix pursue direct sequels to their main Final Fantasy installments. While spin-offs and other projects emerge often, the last direct sequel, Final Fantasy X-2, did what the long-standing series had never done before. But the developers have expressed more interest in sequels as of late. Final Fantasy XIII-2 launches today in the United States and signs point to the likelihood that Final Fantasy XIII-3 will also undergo development...