Here is the full list of all 52 Torment: Tides of Numenera achievements.
Aligern found his friends and family.
Completed the game.
Reached maximum character level.
Activated the Resonance Chamber.
Reached the Ascension.
Found the murdens' treasure room
Defeated Waits-for-Prey in combat.
The entire party loves the Last Castoff.
Returned the lascars to their home.
Rhin returned to her true home.
Purchased a slave.
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.
Equipped every one of Jernaugh's upgrades.
Defeated the Adversary.
Completed a Mere.
Slew the Nychthemeron.
Woke up in the Calm after dying.
Found the Hall of Relics.
Reached Sagus Cliffs.
Escaped the Sorrow... for now.
Ended your life before it truly began.
Became the main course in a Dendra O'hur feast.
Learn the truth of where Jherem came from.
Convince the Cult in Sagus Cliffs that you're the Changing God.
Discovered Min of Tan Liang's embarrassing secret.
Rescued the Memorialists in the Valley of Dead Heroes by failing to find them.
Undertook Tantalum's quest to explore the tombs of the Necropolis.
Brought peace to Choi's spirit.
Became the new Memovira.
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 stayed with the Last Castoff.
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 dislikes the Last Castoff.