The Castle is a Home that can be built during The Researcher quest. It is the cheapest House that can be built. Building one of the three Houses will finish the quest and unlock the Home Tab and Research.
|Buildings and Machines|
|Tiered|| Community Center • Oil Wells • Oil Factories • Oil Storage |
Furnaces • Foundry • Ovens
|Home||Cabin • Castle • Mansion • Museum|
|Mining||Drills • Crushers • Giant Drills • Excavators • Robot • Rocket|
|Fishing||Oxygen Tank • Row Boat • Canoe Boat|
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