Here is the full list of all 27 SIMULACRA 2 achievements.
Defeated the Rippleman
Arya, Mina and Rex agrees to defeat the Rippleman
Recovered the phone jammer from police evidence
Acquired the K-remote app from Ruben
Recover the totem from Maya's gym
You are dealt the Idol card by TRM
Out of fear and desperation, Rex took the Rippleman's deal and became its latest victim.
Complete the game as a detective
Feeling wronged and humiliated, Arya took the Rippleman's deal and became its latest victim.
You deduce who took the Rippleman's deal
You are dealt the Artist card by TRM
You are dealt the Diva card by TRM
Arya to revealed details of the crime that she wouldn't have known
Call the emergency services
Find the suspects earlier police interviews
Hide the truth from Murilo
Complete the game as a journalist
After feeling betrayed by her own friends, Mina took the Rippleman's deal and became its latest victim.
Reveal the truth to Murilo
Revealed the culprit
Discover evidence of Arya faking as an Aluren Muse
Discover evidence of Rex promoting an obvious pyramid scheme
Discover evidence of Mina lying about her tragedy
Completed the preliminary investigation
You are dealt the Tycoon card by TRM
Mina to revealed details of the crime that she wouldn't have known
Rex to revealed details of the crime that he wouldn't have known