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
Run Greg run
That Is Just A Compliment
Sharing Is Caring
She Needs To Know
You killed Anna
Find the truth.
You found Anna
Crime Doesn't Pay
You're hired!
She Loves Me!
Wordsmith
That Is Not A Compliment
The Internet Never Forgets
This Is The Police!
Derezzed
Just In Time
Punked!
Ask her anything
The Gift of Jab
Gossip Girl
You've got Mail
Looking for love