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