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