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Warrior's Memory The Hollow Strata
In a world where countless warrior vessels lie dormant, a wandering soul fights for freedom. Build your 20-card deck from over 1,000 cards, then collect, fuse, and upgrade cards as you conquer the Hollow Strata.

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Features
Single-player
Steam Achievements
Steam Cloud
Family Sharing
Steam is learning about this game 
Requires agreement to a 3rd-party EULA
Languages:
Interface Full Audio Subtitles
English ✔ ✔
Japanese ✔ ✔
Korean ✔ ✔

Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“This game is designed around the continued expansion of its card pool and systems. We are releasing it in Early Access so that we can continue balancing the game and adding content while receiving feedback from players on the way to the full release.

Even in the current version, players can experience the core flow of card battles, deckbuilding, card collection, fusion, and upgrades. We plan to continue adding more cards, modes, and systems to further improve the game.”

Approximately how long will this game be in Early Access?

“At this point, we expect the Early Access period to last approximately one to two years.
However, the schedule may change depending on the scale of additional content, player feedback, and the overall state of development.”

How is the full version planned to differ from the Early Access version?

“In the Early Access version, players can play the ADVENTURE mode, which includes the core card battles, deckbuilding, card collection, fusion, and upgrades. Players can also play a mode where they raise original characters.

For the full version, we plan to further expand the total number of cards, add new game modes, adjust and expand existing modes, improve game balance, and enhance the UI and presentation.”

What is the current state of the Early Access version?

“In the current Early Access version, players can experience the core gameplay cycle of the ADVENTURE mode, including card battles, deckbuilding, card collection, card fusion, and card upgrades.

A mode where players can raise original characters is also playable.
However, card balance, UI, presentation, and some modes and systems are planned to be adjusted and expanded through future updates.”

Will the game be priced differently during and after Early Access?

“Yes, the price is planned to change.

The price may increase after the full release as new content, features, balance adjustments, and presentation improvements are added.

The final timing and extent of the price change may be adjusted depending on development progress and the scale of additional content.
”

How are you planning on involving the Community in your development process?

“We plan to gather player feedback through the Steam Community, reviews, comments, and development logs.

In particular, we will use feedback on card balance, unclear UI elements, difficult-to-use features, and requests for additional features or modes as references when planning future updates.

While not every suggestion can be implemented directly, we plan to continue adjusting and improving the game based on player feedback as we work toward the full release.”
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Download Warrior's Memory The Hollow Strata Demo

This game is not yet available on Steam

Planned Release Date: June 2026

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About This Game

Warrior's Memory: The Hollow Strata

Warrior's Memory: The Hollow Strata is a card game where you build your deck before each challenge, then collect, fuse, and upgrade cards as you battle your way through the Strata.

With over 1,000 cards, flexible pre-run deckbuilding, and fusion-based upgrades, create your own combos and take on powerful enemies.

Key Features

Over 1,000 Cards

Discover a wide variety of cards, with more planned for future updates.

Strategic Pre-Run Deckbuilding

By fighting repeatedly and leveling up your character, you can expand your deckbuilding options. Add stronger cards and more powerful combos to your deck before each challenge.

Grow Stronger Through Card Fusion

Fuse cards of the same level to create a stronger card one tier higher.

Collect Cards and Items

Use in-game currency to buy and collect cards and items. Items can also be added to your deck before a challenge, opening up even more strategic possibilities.

A Unique Daifugō-Style Mini-Game

Includes a special mini-game inspired by Daifugō, also known as President.

Combat

Deploy your units against the enemy’s formation and fight back with your own.

Withstand enemy attacks, deal damage, and reduce the enemy’s HP to zero to win.

The BT System

This game features a unique combat system where the enemy’s BT becomes your combat power, while your BT becomes the enemy’s combat power.

Rather than focusing only on your own strength, success depends on choosing the right units for each opponent.

Skills and Assist Cards

Many cards can be deployed as units, but they can also be used as Assist Cards to turn the tide of battle.

Cards also have a wide range of skills. By using them effectively, even weaker units can defeat stronger enemies.

Library

In the Library, you can view detailed information on the cards you have collected.

Browsing your collection and planning new decks and combos is part of the experience.

About Early Access

This game is currently in development.

We plan to continue updating it with new cards, modes, and system expansions.

Development updates and additional information are posted on note.

Depending on the state of development, we may also hold community-oriented events that players can participate in.

Planned Updates

  • A new mini board game inspired by Mahjong and Donjara, using in-game cards

  • Continued expansion with a goal of exceeding 4,000 total cards

  • New special Strata that expand the main ADVENTURE mode

  • Additional new game modes that differ from the existing modes

About the Use of AI

AI has been used in parts of the programming process, as well as in many card and UI design elements.

Depending on future development conditions, we plan to gradually replace key card illustrations with redrawn versions by illustrators.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

This game contains pre-generated content created with the assistance of generative AI tools during development.
AI was used mainly for card illustrations, UI design drafts, some text creation assistance, and programming assistance.
The game does not generate new images, audio, text, or other content using AI during gameplay.

System Requirements

    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Intel Core i3 or equivalent
    • Memory: 4 GB RAM
    • Graphics: DirectX 11 compatible graphics
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Sound Card: DirectX compatible
    Recommended:
    • OS: Windows 10/11 64-bit
    • Processor: Intel Core i5 or equivalent
    • Memory: 8 GB RAM
    • Graphics: DirectX 11 compatible graphics
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Sound Card: DirectX compatible
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