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