Top 5 Final Fantasy games are:

5: Final Fantasy VIII. Great game that tried and experimented with many new things.

4: Final Fantasy IV. Introduced us to the dragoons class and make ground breaking way in the way JRPG's told their story.

3: Final Fantasy X. Teach us how to Blitz... Stay away from the Summoner!

2. Final Fantasy Tatics. If you have never played this game you are missing out on one of the Best Games ever made

1 Final Fantasy VI. Honestly It was a great game which introduced many idea's that still get used today.