Here is the full list of all 52 Torment: Tides of Numenera achievements.
Slew the Nychthemeron.
Discovered Min of Tan Liang's embarrassing secret.
Tybir made a dangerous deal with Tol Maguur.
Convince the Cult in Sagus Cliffs that you're the Changing God.
Rhin found a new family through the House of Empty Time.
Rescued the Memorialists in the Valley of Dead Heroes by failing to find them.
Became the main course in a Dendra O'hur feast.
Equipped every one of Jernaugh's upgrades.
Matkina became the new Memovira.
Matkina turned away from her isolation.
Ended your life before it truly began.
Aligern found his friends and family.
Completed the game.
Helped Tybir make peace with Auvigne.
Reached maximum character level.
Activated the Resonance Chamber.
Returned the lascars to their home.
Reached the Ascension.
Found the murdens' treasure room
Defeated Waits-for-Prey in combat.
Acquired one too many cyphers.
Rhin returned to her true home.
Died by drinking too much Bloom juice.
Purchased a slave.
Reached the Bloom.
The entire party loves the Last Castoff.
Found Miel Avest.
Undertook Tantalum's quest to explore the tombs of the Necropolis.
Freed the Valley from the Children of the Endless Gate.
Helped Phoenix find the answer he seeks.
Brought a new minnim pair to life.
Reached the Valley of Dead Heroes.
Completed a Mere.
Found the Hall of Relics.
Defeated the Adversary.
Woke up in the Calm after dying.
Learn the truth of where Jherem came from.
Reached Sagus Cliffs.
Escaped the Sorrow... for now.
Brought peace to Choi's spirit.
Became the new Memovira.
Coty betrayed the First on your behalf.
Became The Changing God.
Made Aligern believe that you're the Changing God... and earned his love anyway.
Callistege became fully human again.
Translated Callistege's consciousness into the datasphere.
Powered up Erritis' nanites.
Freed Erritis from the Audience.
Rhin stayed with the Last Castoff.
Found all Merecasters.
Unlocked all elements in the Calm.
The entire party dislikes the Last Castoff.