Here is the full list of all 26 New Tales from the Borderlands achievements.
View every ending.
Collect every Vaultlander figure.
Obtain every cosmetic.
Perform every background check.
Win a Vaultlanders battle using the Claptrap figure.
Finish the game with a good skateboard rating.
Summon the Sexy Intern.
Complete Episode 5.
Watch the credits after finishing the game.
Win every Vaultlanders battle.
Win the retro battle.
Complete Episode 4.
Nail a perfect, sexy dance.
Spend the money from sink or swim.
Complete Episode 3.
Get the money from sink or swim.
Complete Episode 2.
Wish for more tacos.
Reach a Tale Over for the first time.
Win a Vaultlanders battle.
Complete Episode 1.
Complete a hack.
Obtain a cosmetic item.
Obtain a Vaultlander figure.
Fail an action for the first time.
Perform a Super Science Slap.