Here is the full list of all 22 Alexa's Wild Night achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Won the basketball match.
Lost the basketball match.
rejected a drink at the bar.
Had a one night stand.
Fooled around with a stranger.
Went home alone.
Went home with two guys.
Witnesses something special.
You kissed a girl and liked it.
Got a real Girlfriend.
Went to the Photoshoot.
Needed a drink for photoshoot.
Completed the Photoshoot.
Admitted stripping for the Photo.
Stuck to your principals.
Disappointed your Boss.
Got fired from your Job.
Good Customer Service skills.
Rejected by Brendan.
Brendan returned your feelings.
Brendan proposed to you.
Became a savvy investor.