Square knows a good thing when they see it.
Take Tactics Ogre . They hired virtually all the staff from that game, had them produce a shockingly similar game, branded it Final Fantasy Tactics , and a legend was born. Or cloned, if you please. Resemblances aside, FFT is simply outstanding. The game used a version of Final Fantasy V 's Job system, which had not been localized to the United States at the time, so for some, this was a little glimpse into Square's unreleased Final Fantasy.