Hyperspace Lumiose is a unique destination in Pokemon Legends Z-A that arrived with the Mega Dimension DLC. The official description mentions it as "an otherworldly not-quite-Lumiose City", where "powerful Pokemon not found in the regular Lumiose can be encountered".
Mega Dimension released on December 10, 2025. It is the first DLC for Pokemon Legends Z-A. It adds several new Mega Evolutions, along with the new Z Mega Evolution.
Also Read: How to complete "use the catch window" task in Pokemon Legends Z-A Mega Dimension
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How to unlock Hyperspace Lumiose City in Pokemon Legends Z-A Mega Dimension?
You will need to do the new Side Mission 120: Donuts of Unwordly Deliciousness! to unlock and get to Hyperspace Lumiose City in Pokemon Legends Z-A Mega Dimension. When you are trying to get butter for Ansha, you will battle Tarragon and Grisham along with Taunie. You will have to fight against Mega Excadrill and Mega Charizard X.

Once you have completed the battle, make your way to Ansha and make a donut for Hoopa by combining berries. You will then have to meet up with Ansha at a spot near the Justice Dojo, which will trigger a cutscene and bring you to the Hyperspace Lumiose in Pokemon Legends Z-A.
After the first time, you need to go to any of the Hyperspace Gates that appear in Lumiose City and give Hoopa a Donut to get to Hyperspace Lumiose. You will stay in the Hyperspace Lumiose as long as the effect lasts (depending on the kind of berry you used). You can also exit that space by interacting with Hyperspace Gates before time.
Hyperspace Lumiose is home to stronger Pokemon (above level 100). You will also be given Survey Tasks by Corbeau to participate in. You will need to have the Mega Dimension DLC bought and downloaded.
🚨 Calculate how strong your evolved Pokémon will become with our newly launched Pokemon GO Evolution Calculator 🚨