There is a sign around the player's home. After finding the sign, click on it to see the money needed to expand the yard. With enough money, we can expand the yard. After expanding the yard, players will have more space to pile up materials and furniture.

The story background of Portia's era was designed after the end of the world. At this time, the world's population is very small, and there are relics left by previous civilizations everywhere. The story takes place in Portia, a remote town of the Free City Alliance. The protagonist came here and inherited an old workshop left by his father. In the game, players need to explore the remains of pre-civilization, collect resources, take orders and make things, in order to run this workshop well and make the whole town better with the progress of the game.