Here is the full list of all 35 Rogue Galaxy trophies - there are 19 bronze, 10 silver, 5 gold and 1 platinum.
Unlock all trophies.
Reach level 99 with any character.
Become the rank S Insectron champion.
Inflict over 14,000 damage with a Burning Strike attack.
Upgrade all legendary Seven-Star Swords to their final form.
Obtain the Mirror of Truth.
Defeat Doppelganger in the Ghost Ship Extreme.
Receive the Key to the Underworld by completing the Seventh Mystery.
Complete all 36 blueprints in the Factory.
Complete every Quarry hunt.
Obtain the Earth, Star, and Sun keys.
Defeat the Demon Battleship.
Complete Chapter Twelve.
Complete Chapter Eleven.
Complete Chapter Ten.
Complete Chapter Nine.
Reach the top Hunter's Rank.
Obtain the Rakshasa Heart item.
Complete Chapter Eight.
Learn a level three ability with Jaster.
Complete Chapter Seven.
Assemble your first item in the factory.
Kill 10 enemies with thrown objects.
Complete Chapter Six.
Change a character into an alternate outfit.
Complete Chapter Five.
Win a game of Insectron.
Complete Chapter Four.
Succesfully execute a Burning Strike attack.
Disarm a trap set on a treasure chest.
Complete Chapter Three.
Complete Chapter Two.
Use Toady to synthesize a new item.
Defeat a Mimic.
Complete Chapter One.