Full list of all 50 Remnant: From the Ashes achievements worth 1,500 gamerscore.
The base game contains 40 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 10 achievements worth 500 Gamerscore.
Defeat the Pan Wolf
Acquire 5 weapon mods
Upgrade any trait to 10
Upgrade a boss weapon to +5
Acquire 200,000 scrap
Defeat a world boss in offline mode without taking damage
Upgrade any trait to 20
Meet the Labyrinth Keeper
Return the Swamp Guardian's heart to the Undying King
Defeat 100 special enemies
Defeat Ixillis XV
Acquire 20 traits
Defeat the Claviger
Upgrade first weapon
Defeat the Dreamer
Acquire 10 armor sets
Meet the Swamp Queen
Acquire first trait
Acquire 15 weapon mods
Craft a weapon using material from a defeated world boss
Upgrade any weapon to +20
Meet the Pan Rebel Leader
Acquire 50,000 scrap
Acquire 30 traits
Acquire Mudtooth's pocket watch
Meet Andrew Ford
Upgrade any weapon to +10
Acquire 100,000 scrap
Defeat the Undying King
Upgrade Dragon Heart
Return ring to Reggie
Activate the Ward 13 World Stone
Meet the Root Mother
Meet the Undying King
Return coin to Ace
Defeat the Ent
Acquire 5 armor sets
Defeat the Totem Father
Acquire 10 traits
Defeat Singe
Purchase 15 Armor Skins
Defeat 5 Bosses in a row in Survival Mode
Purchase 40 Armor Skins
Defeat the Iskal Queen
Defeat 10 Bosses in a row in Survival Mode
Listen to all the Recordings in Ward Prime
Visit the Homestead Basement
Defeat the Final Boss
Make a Deal with Sebum
Travel to Reisum