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