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.
Sara was very happy to see you.
You got rocked by a blast of tsundere energy.
You made a bad night better.
You argued with the MC’s… MC?
It's getting hot in here.
You took a shot with Kevon, and took a shot with the ladies.
…But where?
Sophie let you look and touch…
You missed all adult content in Chapter 1.
Somewhere…
Wise man or coward?
You admired a couple of big mountains.