By completing certain objectives in the game, you'll unlock special awards and titles.

Unlockable	How to unlock
Best in Slot	Obtain all gear from premium worlds.
Friends In High Places	Unlock all the premium characters.
Gearing Up	Obtain all gear from non-premium worlds.
Gillionaire	Save up 1,000,000 Gil.
Happy Ending	View the ending.
Host with the Most	Obtain the maximum of 40 party member slots.
Mad Max	Attain Level 99.
Master Killer	Defeat all enemies from non-premium worlds.
Role Call	Unlock all jobs from non-premium worlds.
The Whole Story	Defeat all boss from premium worlds.
Unrivaled	Defeat all enemies from premium worlds.