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