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.
Reach Chaos level 20.
Reach Chaos level 10.
Complete a Chaos Chamber run.
Enchant or re-enchant an item.
Complete "Fatebreaker".
Find an enchanted legendary item in the wild.
Complete "Soul Purpose".
Complete all side quests.
Complete "The Ditcher".
Complete every Dungeon Door in the Overworld.
Complete "The Son of a Witch".
Reach level 40.
Have at least 3,000 total Loot Luck.
Clear out 10 encampments in the Overworld.
Complete "Mortal Coil".
Complete "The Trial of Crooked-Eye Phil".
Reach level 30.
Have at least 1,000,000 gold.
Complete 20 side quests.
Complete "Thy Bard, with a Vengeance".
Complete "Goblins Tired of Forced Oppression" and "The Slayer of Vorcanar".
Reach level 20.
Complete "Ballad of Bones".
Complete "Walk the Stalk".
Complete "Emotion of the Ocean".
Have at least 100,000 gold.
Revive a partner.
Stun an enemy chasing you in the Overworld.
Reach level 10.
Trade with another player.
Complete "A Hard Day's Knight".
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.
Purchase the final tier of any inventory upgrade.
Purchase every inventory upgrade.
Unlock all other achievements.
Complete "Best Chums".
Defeat "Chums" the Old God at their highest difficulty level.
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.