One Piece Mansion – PS1 Game

One Piece Mansion is a puzzle game about running an apartment building, unrelated to the One Piece manga and anime. You place tenants in rooms across a tall, narrow building, and each one generates noise or other effects that raise or lower the stress of the people living nearby. The challenge is arranging residents so their quirks cancel out instead of compounding, keeping stress under control while collecting rent and dealing with disturbances such as fires and pests. New tenant types with different behaviours arrive as you go, changing which combinations work. Play is viewed from the side, showing the whole building at once so you can see problems spreading between floors. It is a slow-burn management puzzle rather than an action game, built on planning and rearranging your layout.

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