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