Here is the full list of all 7 The Unexpected Quest Prologue achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Hire five or more Workers in any chapter.
Use one of the following: the Mysterious Miller or the Mysterious Lumberjack.
Buy or sell something at the Market.
Find the elusive snowman in one of the chapters.
Thank you for stopping by to meet the people who made this game. We were delighted to see you!
Complete the first chapter.
Locate the treasure and collect a mysterious helmet in Chapter 1.