Index Artificiatorum is a Roman complex 700 meters below the surface of Rome, the ancient capitol of the Roman Empire. It is located in the UnWorld Mushroom Kingdom Colony. It was built by Caesar Salad during the time of the Roman Empire.

Index Artificiatorum is Latin for "Index of Artifacts". On the walls are 100 entries across 5 different rooms with inscriptions of different Roman artifacts, their locations, and information about them.

In 2020, the ruins were explored by Mario, Luigi and Alex Kazan, who took pictures.

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