Here is the full list of all 27 One Night Stand achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
You told her the last name that she wanted to hear.
Turns out you share the same name!
Honesty really is the best policy.
What’s in a name anyway?
You became a fan of Love IRL.
Order a fancy coffee.
Escaped during her moment of need.
You successfully stole a pair of her panties.
You got thrown out.
You got thrown out without your clothes.
Accuse her of drugging you.
That's why they call it a one night stand.
You got rejected.
You became friends.
Escaped quickly and clothed.
You failed at the last hurdle.
You got caught wearing her underwear.
Sharing isn't caring.
You made a break for it.
She picked up her six-string.
You got thrown out with your clothes on.
You might want to double check the evidence...
You chose not to believe anything.
You choose to remain silent whenever possible.
You investigated every item in the game.
You receive another message from Gary.
You both felt the same way about the book, her writing and Love IRL.