Here is the full list of all 30 Star Ocean: Till the End of Time trophies - there are 15 bronze, 8 silver, 6 gold and 1 platinum.
Unlock all trophies.
Raise a battle skill to Mastery level 10.
Acquire the Ring of Disintegration.
Win Runic Chess level S.
Obtain the Bunny Race Trophy.
Collect all 26 Trading Cards.
Win all of the Single Battles in the Fighting Arena.
Win all of the Team Battles in the Fighting Arena.
Defeat Dirna and Solon in the Fighting Arena.
Use the Ancient Books to find all seven treasures.
Register your first patent.
Reach level 100 with Fayt.
Use Paracelsus's Table with all stages unlocked.
Collect 15% of the Battle Trophies.
Collect 25% of the Battle Trophies.
Collect 40% of the Battle Trophies.
Collect 55% of the Battle Trophies.
Collect 65% of the Battle Trophies.
Collect 80% of the Battle Trophies.
Defeat Norton.
Defeat Vox.
Defeat Biwig.
Defeat the Proclaimer at the Moonbase.
Defeat Luther in the Eternal Sphere.
Defeat Gabriel Celesta in the Maze of Tribulations.
Defeat the Sculpture Lord in the Aquatic Gardens of Surferio.
Defeat Fayt in the Urssa Cave Temple.
Defeat Lenneth, Freya and the Ethereal Queen.
Clear the game on the Universe difficulty level.
Clear the game on the 4D difficulty level.