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