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