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