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