In the bookcase that is next to the fancy iron gate. In the Tower go down the stairs to the ground level of the tower.On the floor by the wood column, you will find the Revolving Bridge Achievement Plaque. Enter the Tower and head to the chest that is next to the Zodiac wheel.Revolving Bridge – Codex Atlanticus 1487-1489 If you zoom in you can see the Scythed Chariot Achievement Plaque on top of the barrels. Look off to your left behind the Yurt along the wall. In the back corner are some barrels next to the bridge in the cannon room.On the middle shelf is the Viola Organista Achievement Plaque. Then turn around and scan to your left along the back wall to an alcove of skulls on the shelves. To get the Viola Organista Achievement you need to acquire the objects to light up the fireplace first.Viola Organista – Codex Atlanticus 1488-1489

There on the shelf is The File-Cutter Achievement plaque.

The File Cutter: After you illuminate the room with the catapult, click on the steps to get to the bookcase on your left.

Also, there are 3 books with the contributors’ names listed.

In the Library on one of the bookshelves, you will find The Printing Press Achievement Plaque.

Printing Press – Codex Atlanticus 1478-1482 None of these achievements is hidden/secret. In this game, players will be able to collect a total of 6 achievements. If you’re one of the players of The House of Da Vinci who want to obtain all achievements in the game, this guide is for you. This guide will be covering the steps on how to get the 100% achievement in The House of Da Vinci.

The house of da vinci catapult