Full list of all 52 Outriders achievements worth 1,305 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 43 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 9 achievements worth 305 Gamerscore.
Kill 1000 enemies in Expeditions.
Complete all side quests.
Bring down the Drop Pods.
Fill in 300 journal pages.
Complete the Historian questline.
Reach Accolade level 20.
Complete the Hunter questline.
Unravel the Ferals' origins.
Reach character level 30.
Defeat Yagak in Utargak.
Open the Gate leading out of the Forest.
Complete the Wanted questline.
Equip a character with epic or legendary items only.
Complete "The Outrider's Legacy".
Kill 7500 enemies.
Kill an enemy afflicted with at least 4 different status effects.
Complete the highest tier of 4 class-related Accolades for any class.
Master a branch of the class tree for any class.
Unlock 125 unique weapon and armor mods for crafting.
Sell 300 items.
Put an end to Scurlock.
Equip a legendary item.
Prepare your truck to enter the Forest.
Complete 25 side quests.
Dismantle 300 items.
Kill 3500 enemies.
Reach Accolade level 10.
Fill in 150 journal pages.
Deal a total of 1,000,000 damage.
Use crafting to replace 10 item mods.
Kill 10 enemies with no more than 2 seconds between each kill.
Uncover the direction of the signal's source.
Reach character level 10.
Mine ore from a deposit 30 times.
Kill a total of 50 enemies with any Melee skill.
Complete a side quest.
Awake to the new, dark era of Enoch's history.
Kill Gauss at the Solar Tower.
Unlock a class tree node.
Kill 5 Elites using skills only.
Use a skill enhanced by 4 different mods.
Use crafting to improve the rarity of 15 items.
Complete all class-related Accolades for any class.
Complete all New Horizon Expeditions.
Dispose of the Acari in Molten Depths while playing in a duo.
Interfere with an experiment in The Marshal's Complex.
Continue the Worldslayer campaign to unlock this achievement.
Continue exploring Tarya Gratar to unlock this achievement.
Defeat final Arbiter on Apocalypse Tier 25.