The Ruler's Castle is the second most expensive house in Adopt Me! worth bucks, costing 6,899. It is decorated on the inside, although not as much on the outside. When buying the Ruler's Castle, the player gains 9 rooms including: 4 bedrooms, a kitchen, a bathroom, a dining room, and a throne room. The rooms are mostly furnished and there are two floors to this castle.
- There is a smaller counterpart of this house, the Castle.
- This used to be the most expensive house in the game until Luxury Apartments was introduced to the game.
- The house closely resembles the Sky Castle in appearance. They both feature a shining white pearl on the top. When players walk the pearl, they will not fall due to a glitch on Roblox's end.