Bronze

Rookie Battler
Obtain 15% of all battle trophies.

Practiced Battler
Obtain 30% of all battle trophies.

Skilled Battler
Obtain 45% of all battle trophies.

Seasoned Battler
Obtain 60% of all battle trophies.

Advanced Battler
Obtain 75% of all battle trophies.

Ship Savant
Collect 100% of all spaceship data.

Arms Addict
Collect 100% of all weapon data.

Creature Collector
Collect 50% of all monster data.

Dilettante Designer
Create 20% of all possible items.

Aspiring Architect
Create 40% of all possible items.

Creative Craftsman
Create 60% of all possible items.

Inspired Inventor
Create 80% of all possible items.

Treasure Hunter
Open 50% of all treasure chests.

Errand Boy
Complete 50% of all quests. 

Silver 

Master Battler
Obtain 90% of all battle trophies.

Ultimate Battler
Obtain 100% of all battle trophies.

Monster Master
Collect 100% of all monster data.

World's Biggest Welch Fan
Create 100% of all possible items.

Treasure Hoarder
Open 100% of all treasure chests.

Dutiful Deliverer
Compelte 100% of all quests.

Platinum

STAR OCEAN® THE LAST HOPE® -INTERNATIONAL- Platinum Trophy
Congratulations! You've collected every last STAR OCEAN® THE LAST HOPE® -INTERNATIONAL- trophy!

There are also 26 secret trophies, totalling to 47.

Source: http://www.ps3trophies.org/gam…../trophies/