Office:
Take Bill.
Take Sandwich.
Use Sandwich with Trap.
Walk to the left of the screen.
Take Recipe Book.
Use Recipe Book on Trap (Get Keys).
Take Fallen Book.
Take Sock.
Take Thermometer.
Take Coin.

Use Filing Cabinet (*Only use this if you want hints, this DISABLES some achievements*).
On a sidenote if you are stuck you can always retrieve the Hint Journal, look at the hint, and reload a previous game.

Use Keys on Door.
#Achievement 01: I'm Free!

The Happy Cow Bar:
Talk to Waiter.
Listen to all suggestions.
#Achievement 02: The menu, please
Ask if he knows something about Va Cappone?
#Achievement 03: Stepped out for a smoke...
Take Non-alcoholic martini (Get Olive).
Walk left to the lounge.

The Happy Cow Lounge:
Take Reservation book.
Take Fountain pen.
Go outside.

Alley:
Take Coconut.
Take Lever.
#Achievement 04: Treasure hunter
Talk to Arnoldo Casimiro (Location City Hall).
#Achievement 05: Grandpa Rambles

Lounge:
Talk to Tucca Ciondonna (Ask about autograph).

The Happy Cow Bar:
Talk to Waiter (Ask to make a shake).
Take Shaker.
Combine Coconut with Shaker.
Combine Cocktail Syrup with Cocktail Shaker with Coconut Water.
Combine Water with Shaker with Syrup and Coconut Water.
Combine Sock with Shaker with Water, Coconut and Syrup.
#Achievement 06: Anything is possible
Combine Shaker with Dairy Ingredients with Waiter.

The Happy Cow Lounge:
Talk to Tucca Ciondonna (Offer Milkshake, name doesn't matter).

Alley:
Use Signed Photo with Arnoldo Casimiro (Get paper).

The Happy Cow Bar:
Talk to Waiter.
"About the Cigarette Machine...".
"Every time i go to Constantinople".
"But my cigarette barely feels it".
The waiter will give you a brand Habanos in my case (i don't know if it's random).

The Happy Cow Restrooms:
Use Coin with Slot.
Use Paper in Inventory and look up the sign of Habanos.
Press the Even more Unsettling button on the Cigarette Machine.
Go to Secret Entrance.

Speakeasy:
#Achievement 07: VIP Access.
Use Exit to the street (Opens shortcut on the map).
Take Milk chocolate cigar.
Combine Fountain Pen with Syrup.
Combine Fountain Pen with Reservation Book.
Use Reservation Book with Henchman.
Go to The Stepfathers Office.

Stepfathers Office:
"I'm Aurreliot Nez, the private detective who's going to take down your crime empire".
#Achievement 08: Truth first.
Use Fake Bill with Stepfather.

Union:
Take Brochure.
Talk to Guardian Bull.
Use Recipe Book with Guardian Bull.

City Hall:
Look at Lamppost 5x.
#Achievement 09: Opera...ish
Talk to Torez.

Union:
The Guardian Bull has fallen asleep.
Walk to Founder's Exhibit.

Founder's Exhibit:
Use Olive with Exposed Wires.
Use Lever with Slot.
Take Ears.
#Achievement 10: A masterful performance.

Cutscene.

Speakeasy:
Talk to Henchman.
"That's a cool scar!".

Office:
Use Thermometer with Lamp light (if off turn it on).

Speakeasy:
Use Hot thermometer with Henchman.
Walk to Stepfathers Office.

Stepfathers Office:
Use Papers.
Look at Papers to read Note (Business + Enemies).
Use Rightmost Painting.
Look at Calf Bust.
Use Horn.
Use Safe.

Union:
Read the third book to get the date 1896.

Speakeasy:
Look at Blackboard 3x.
You should see something about 275 cows and what it means to Va Cappone.

Stepfathers Office:
Adding 1896 + 275 = 2171.
Use Safe and enter that number.
Take Secret Plans.
In inventory look at Evil Plans (Factory location added).
#Achievement 11: Mapmaker
Leave Stepfathers Office (you will automatically put everything back to it's place).

City Hall:
Talk to Torez.
"I've got the Stepfather's secret plans! We need to do something!".

Union:
Use Fountain Pen with Bull Calendar.
#Achievement 12: The people united...

Barn:
Talk to Torez and make a confession.
Use Door.

Warehouse:
Talk to Stepfather (Get Milk).
#Achievement 13: Diogenes syndrome.

Barn:
Use Milk Carton with Torez.
Walk to Warehouse.

Warehouse:
Watch the End Scene.
#Achievement 14: Happily Ever After?
#Achievement 15: Sharp as a Hound

THE END.