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.
Complete a Chaos Chamber run.
Complete every Dungeon Door in the Overworld.
Complete "The Ditcher".
Complete "The Trial of Crooked-Eye Phil".
Purchase the final tier of any inventory upgrade.
Enchant or re-enchant an item.
Complete "Fatebreaker".
Complete "Soul Purpose".
Complete "The Son of a Witch".
Reach level 40.
Complete "Mortal Coil".
Complete "Ballad of Bones".
Have at least 3,000 total Loot Luck.
Find an enchanted legendary item in the wild.
Have at least 1,000,000 gold.
Complete 20 side quests.
Reach level 30.
Complete "Walk the Stalk".
Trade with another player.
Complete "Emotion of the Ocean".
Complete "Goblins Tired of Forced Oppression" and "The Slayer of Vorcanar".
Reach level 20.
Complete "Thy Bard, with a Vengeance".
Have at least 100,000 gold.
Get a Death Save off a badass or a boss.
Reach level 10.
Stun an enemy chasing you in the Overworld.
Complete "A Hard Day's Knight".
Complete "Hero of Brighthoof".
Pick up and redeem a cosmetic item.
Revive a partner.
Complete "Bunkers & Badasses".
Pick up a lore scroll.
Complete all side quests.
Purchase every inventory upgrade.
Clear out 10 encampments in the Overworld.
Reach Chaos level 10.
Reach Chaos level 20.
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.