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.
Find the elusive snowman in one of the chapters.
Buy or sell something at the Market.
Complete the first chapter.
Locate the treasure and collect a mysterious helmet in Chapter 1.
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