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