Here is the full list of all 34 Truberbrook achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Discuss the Doppelkopf Rules 10 Times
Record all Dictaphone Entries
Make use of the telescope
Open the Vault at the 1st Attempt
Don't Call the Cops
Listen to the Baron's Story
Listen to Gretchen's Story
Finish the Game, Part II
Finish the Game, Part I
Finish Chapter Four
Listen to Madonna's Story
Record 30 Dictaphone Entries
Attend the concert
Start 100 Fireworks
Tell Trude about Heinz
Send Crows to 6 Different Spots
Listen to Lessing's Story
Read all the newspapers
Record 25 Dictaphone Entries
Listen to the Alpinist's Story
Listen to Lazarus' Story
Listen to the Sailorman's Story
Finish Chapter Three
Record 20 Dictaphone Entries
Make a wish
Listen to Barbarossa's Story
Finish Chapter One
Finish Chapter Two
Record 15 Dictaphone Entries
Save Klaus
Finish the Prologue
Record 10 dictaphone entries
Listen to Trude's Story
Listen to Leni's Story