Here is the full list of all 33 Re:ZERO -Starting Life in Another World- The Prophecy of the Throne achievements.
Defeated the bandits.
Two opinion choices were made available during a Briefing.
Obtained an item for the first time.
Unlocked all achievements.
Froze to death on loop 1, day 9 and Returned by Death.
Froze to death again on loop 2, day 6 and Returned by Death.
Burned to death on loop 3, day 3 and Returned by Death.
Burst at the seams on loop 4, day 7 and Returned by Death.
Lived through loop 5, day 10 and waited for Sloth.
Witnessed Sakura’s grief and the end of Melty and the others.
Checked the yellow flower.
Protected Anastasia.
Received a bag of silver from Anastasia beforehand.
Escaped from Petelgeuse’s evil clutches.
Escaped from Petelgeuse without revealing his Unseen Hands.
Investigated the cause of Rem’s uneasy feeling and chased away the spy.
Didn’t find the cause of Rem’s uneasy feeling.
Drove Wolf into a critical state and repelled him.
Provoked Wolf and agitated him.
Found the lost child’s parents.
Salum gave the girl some sweets.
Successfully got in contact with Tiga.
Nearly got found by guards and Sakura twice.
Put an end to the series of disturbances.
Unlocked all Memories in the Album.
Unlocked all Characters in the Album.
Chose “No... Never mind.” during a briefing.
Enjoyed the view of Emilia and the others in their swimsuits.
Roswaal figured out what was going on.
Started the second loop.
Spent time with Emilia instead of heading to the royal capital.
Spent time with Beatrice instead of heading to the royal capital.
Ran out of time on a phase and failed a mission.