Here is the full list of all 34 The Luminous Underground achievements.
Make civility more important than fighting fascism.
Don't get behind the wheel.
Demonstrate your knowledge of Innetese.
Kick a door open.
Untangle the meaning of a strange dream.
Die.
Stand in an impossible shadow.
Be kind in a difficult situation.
Choose a pie as your weapon.
Get an item.
Free the stuck ones.
Give a successful offering to the deceased.
Tell the mayor what you really think.
Make a villain beg for your forgiveness.
Fail to convince the Ultor to beg for surrender.
Be a sole survivor.
Come away with a scorched hand.
Be someone a friend trusts to listen.
Travel to a place far stranger than Barrington.
Die twice.
Throw a most excellent birthday party.
Share a kiss with your romantic partner.
Establish closeness to your partner in your own way.
Save a life in an otherworldly realm.
Fail to save a life in the Vitalscape.
Say goodbye.
Keep things from coming apart.
Help your team create a brand-new skylight.
Dare an enemy to do their worst.
Help Alice see the world in a new way.
Save Probert-Norden Plaza.
Show those critters they're no match for a rainbow.
Take down a rampaging giant.
Take down a rampaging giant…without a scratch!