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