Here is the full list of all 14 A Shot in the Dark - there are Chapter One Demo achievements.
You handled your booze and were a smooth-talker at the party.
Alexis gives you a peck.
You made a bad night better.
You argued with the MC’s… MC?
You got rocked by a blast of tsundere energy.
Sara was very happy to see you.
It's getting hot in here.
You missed all adult content in Chapter 1.
Somewhere…
…But where?
Wise man or coward?
Sophie let you look and touch…
You took a shot with Kevon, and took a shot with the ladies.
You admired a couple of big mountains.