Here is the full list of all 36 GRANDIA HD Remaster achievements.
Defeat Gaia
Defeated Gaia Trent
Acquire the Spirit Sword
Defeat the Leviathan.
Defeat 2500 monsters
Collect all 18 Mana Eggs
Arrive in Alent.
Escape the Grandeur and General Baal.
Acquire the Horn of Knowledge.
Collect 250,000 gold
Defeat the Lord's Ghost.
Defeat the Kung Fu Master.
Become friends with Rapp.
Defeat Gaia Battler.
Defeat the Massacre Machine Twice.
Acquire the Medal of Wisdom.
Defeat the Klepp King.
Defeat 1000 monsters
Gadwin has joined the party.
Reach the top of the End of the World.
Find the Sacred Nectar.
You stole a train?
Deliver Francois's letter to Clara.
Found the other stowaway.
Do a good job swabbing the deck.
Get your allowance from Mom.
Defeat Ganymede.
Become adventurers with Feena.
Win 50 battles.
You sank the Ghost Ship.
Find the first Mana Egg.
Defeat the Orc King.
Level up for the first time.
Win your first battle.
Acquire the Spirit Stone.
Sue has joined the party.