Underground Machine City

The Underground Machine City (地下機械都市 Chika Kika Toshi) is a Decepticon-constructed city located underground.

Games

Transformers: Mystery of Convoy

For the ninth part of his journey, Ultra Magnus entered and walked through the corridors of the Underground Machine City. Finally, at the end, Magnus entered an chamber where he battled and beat the Decepticon leader himself, Megatron. Transformers: Mystery of Convoy