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