(日本語)

Save data from the demo version can be carried over to the full release, though some elements will have certain limitations.

Achievements earned in the Alpha Route of the demo will need to be unlocked again by replaying the corresponding sections in the full version. Additionally, any relics and group parts unlocked using Karma in the demo will remain usable in the full release. However, they will still appear as locked in the collection screen until they are obtained again.

For those who wish to fully complete the game, we invite you to enjoy thoroughly exploring the world in the full release.

A Deep Descent in Search of You

Moma sets off on a journey in search of her friend, who she believes is in the million-floors-deep underground world of Million Depth. However, what awaits is a constantly changing world. The true story behind Million Depth differs between timelines, and Moma's fate too changes with the world around her.

Moma's past decisions have consequences that ripple into the future and even other timelines in unimaginable ways. She will have to piece together fragmented clues from her journey to solve the many mysteries she comes across.

Freeze Time to Strategize

Moma has a "biotope jammer", an incredible device that stops time around her as long as she also stays motionless. It's her key to survival in Million Depth, where all sorts of dangerous creatures lurk in the shadows. Even if she finds herself surrounded by enemies, she can stop them in their tracks to figure out a way to break through.

However, Moma's weapons and shields only have limited durability. During battle, they deteriorate and eventually break. Until they're repaired, Moma becomes completely defenseless, but this is when the biotope jammer comes in clutch. Freeze time, carefully plan your next move, and ensure Moma's survival.

Get Creative with Weapon Crafting

Moma can equip two pieces of equipment, both hand-crafted by combining different types of blocks.

Some blocks can be upgraded by being placed with others of the same type. Use them wisely to craft any weapon, from long-range guns to sturdy shields.

Ultimately, your creativity is what will give you the upper hand.

Barter with Shopkeepers

Throughout Moma's journey, she will encounter several shopkeepers offering crafting blocks, items, and relics that can enhance her abilities.

However, shops in Million Depth don't take traditional payment. Barter with the shopkeepers while keeping a keen eye on the value of your offer and the shopkeepers' mood to get the best deal possible. If it goes well, they might offer you valuable items at bargain prices, but if you get too greedy, you risk upsetting the shopkeeper, who might hike the prices in response.

What's more, the underground world is also home to a strange resource called stockinum, the value of which fluctuates constantly...

PLAYISM is proud to announce that Million Depth, a deep diving action strategy game by Cyber Space Biotope, is coming to the Nintendo Switch on December 3, 2026. 

Additionally, Million Depth will be featured as a playable demo at the PLAYISM Booth (07-C06) at Tokyo Game Show 2026, held from Sept 17, 2026.

To celebrate the Nintendo Switch release, the game introduces a variety of new features, including new upgrade parts and a Gallery Mode that lets players revisit event illustrations at any time.
Players can also further customize Moma’s appearance with new glasses color options, as well as the ability to remove her glasses and switch to contact lenses.

In addition, some upgrade parts have undergone significant adjustments. Some have even been completely reworked to function in entirely new ways, offering players a deeper and substantially refreshed gameplay experience.