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