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