Full list of all 47 Tiny Tina's Wonderlands achievements. It takes around 40-50 hours to unlock all of the achievements in the base game on Windows.
The base game contains 39 achievements, and there are 4 DLC packs containing 8 achievements.
Purchase the final tier of any inventory upgrade.
Clear out 10 encampments in the Overworld.
Reach Chaos level 10.
Complete a Chaos Chamber run.
Complete all side quests.
Enchant or re-enchant an item.
Complete "Fatebreaker".
Complete "Soul Purpose".
Complete "The Ditcher".
Have at least 1,000,000 gold.
Have at least 3,000 total Loot Luck.
Complete every Dungeon Door in the Overworld.
Reach level 40.
Complete "The Son of a Witch".
Complete "Mortal Coil".
Complete "The Trial of Crooked-Eye Phil".
Reach level 30.
Complete "Ballad of Bones".
Complete "Walk the Stalk".
Complete "Goblins Tired of Forced Oppression" and "The Slayer of Vorcanar".
Complete 20 side quests.
Find an enchanted legendary item in the wild.
Reach level 20.
Have at least 100,000 gold.
Complete "Emotion of the Ocean".
Complete "Thy Bard, with a Vengeance".
Reach level 10.
Complete "A Hard Day's Knight".
Stun an enemy chasing you in the Overworld.
Complete "Hero of Brighthoof".
Get a Death Save off a badass or a boss.
Complete "Bunkers & Badasses".
Pick up and redeem a cosmetic item.
Pick up a lore scroll.
Revive a partner.
Purchase every inventory upgrade.
Trade with another player.
Reach Chaos level 20.
Unlock all other achievements.
Defeat "Chums" the Old God at their highest difficulty level.
Complete "Best Chums".
Complete "Pesto Chango".
Defeat Imelda the Sand Witch at their highest difficulty level.
Complete "Puns and Crimeishment".
Defeat Fyodor the Soul Warden at their highest difficulty level.
Complete "Outer Daemons".
Defeat Redmourne the Trivern at their highest difficulty level.