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