This guide will let you know how to make an attic in the Bloxburg game.
You have to start by building the bottom structure of your house and select the mansard skylight roof, height should be between the medium and high.
After that, you will need to add stairs in it to reach the second floor and then add the roof on the first floor.
You can make a bed room on the second floor by adding two beds and a small table in between them. Decorate it the way you want.
And then you will need to make the roof of your attic.
Add an entrance door and a window on either side of the attic and decorate the interior to make it look beautiful.