Here is the full list of all 24 SIMULACRA achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
A happy ending
This is too much
She Loves Me!
Wordsmith
Run Greg run
You're hired!
That Is Just A Compliment
You found Anna
Find the truth.
Ask her anything
You killed Anna
Crime Doesn't Pay
That Is Not A Compliment
The Internet Never Forgets
This Is The Police!
Derezzed
Just In Time
Punked!
The Gift of Jab
Sharing Is Caring
She Needs To Know
Looking for love
Gossip Girl
You've got Mail