This is how the construction sytem work on max war, more likely a modullar building system.
You can use your base for your defense system, or to protect your valuable items you lotted in the maps.
You can build a base ini several game modes like, Free Roam (if enabled), Colony Mode, and the other one that we cannot spoils to you right now.
But the important thing is this feature's got functional, and synced over the network for multiplayer experience.
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