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