Here is the full list of all 46 SaGa Frontier Remastered achievements.
Defeated Virgil in two turns or fewer.
Purchased all types of items sold at shops.
Defeated the ultimate version of the boss battle chain.
Defeated the masked fiend in Dev 2.
Completed the story lines of all eight protagonists.
Viewed Lute's ending.
Had all recruitable characters join your party.
Had Capt. Hamilton join your party.
Viewed Red's ending.
Visited all regions.
Had Ren, Doll, Rabbit, Silence, and Cotton join your party.
Had Leonard, ZEKE, BJ&K, Engineer Car, pzkwN, T260, and Rabbit join your party.
Viewed T260G's ending.
Switched to all mech chassis types.
Viewed Riki's ending.
Transformed into a monster and became Mariche.
Transformed into a monster and became a black dragon.
Be possessed by Living Sword or Living Musket.
Defeated Abyssbat.
Had Thunder, Suzaku, Slime, Kylin, Red Turnip, Sei, Riki, and Cotton join your party.
Transformed into a monster and became a Dullahan.
Sold gold for a certain amount of credits or more.
Had at least 100,000 credits.
Had Fei-on and Mei-ling join your party.
Transformed into a monster for the first time.
Viewed Blue or Rouge's ending.
Had Red, Blue, Emilia, Riki, T260, Asellus, Lute, and Fuse join your party.
Viewed Asellus's ending.
Had Zozma, White Rose, Ildon, Rei, Mesarthim, Time Lord, Nusakan, and Silence join your party.
Purchased all items that can be purchased in exchange for LP.
Viewed Fuse's ending.
Performed a five-technique combo for the first time.
Viewed Emilia's ending.
Received the gift of Arcane Magic.
Received the gift of Light Magic.
Received the gift of Shadow Magic.
Used spells 100 times.
Infused a monster into a piece of equipment for the first time.
Received the gift of Rune Magic.
Swallowed by Tanzer for the first time.
Used techniques 100 times.
Mastered a spell for the first time.
Mastered a technique for the first time.
Had Roufas, Annie, and Liza join your party.
Had Rouge join your party.
Glimmered a technique for the first time.