Star Ocean: Till the End of Time [PSX]

Bonus dungeon:
Successfully complete the game to unlock the ten level Cave Of Trials bonus dungeon with a Boss in each level.

Cave of Trials
To unlock Cave of Trials, simply beat the game.

More Difficulty Levels
Finish 30% or more of the Battle Collection to unlock more difficulty levels, including Universal Level.

Sphere Company 211
When you beat Gabriel Celesta in Cave of Trials, you can go above Floor 100 in Sphere Company 211. As the name implies, It has 211 Floors. Valkyrie awaits you at Floor 210 while Iseria Queen is at the Last Floor.

Battle Collection Rewards
Complete a certain percentage of the Battle Collection to unlock bonuses. Completing 30% unlocks Universe difficulty. Completing 60% unlocks the music test. Completing 70% unlocks Fourth Dimension difficulty. Completing 95% unlocks Full Auto mode.

Unlock Full Auto Mode
Complete 95% or more of the Battle Collection.