Atelier Resleriana: The Red Alchemist & The White Guardian Launches Worldwide Today, Sending Fans on a Magical Adventure

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KOEI TECMO’s Atelier Resleriana: The Red Alchemist & The White Guardian Launches Worldwide Today, Sending Fans on a Magical, Cozy Adventure!

Enter Gateways to new Dimensions, Restore the Town, and Learn the Secrets of Hallfein!

BURLINGAME, Calif. – Sept. 26, 2025 – Today, KOEI TECMO America and developer Gust launched Atelier Resleriana: The Red Alchemist & the White Guardian worldwide on PlayStation®5, Nintendo Switch™ and Windows PC via Steam®, inviting players everywhere to embark on a cozy journey alongside protagonists Rias and Slade as they attempt to rebuild their hometown while uncovering its truth. A new trailer, featuring a closer look at the characters and storyline, debuts today alongside a beautiful new illustration to celebrate the game’s launch.

Watch the launch trailer on YouTube:


Atelier Resleriana: The Red Alchemist & the White Guardian follows the journey of Rias Eidreise, an adventurer with a talent for alchemy, and Slade Clauslyter, a young man capable of opening entrances to dimensional paths leading to alternate dimensions. These two heroes join forces in an attempt to discover the reason for the disappearance of the inhabitants of Hallfein, while also trying to follow in the footsteps of their loved ones and restore their hometown. During their journey, they will meet various characters who will help them, including familiar faces from the Atelier series such as Sophie Nuenmuller, Razeluxe Meitzen, Totori Helmold, and Wilbell Voll-Ersleid.

Set in the universe of Atelier Resleriana: Forgotten Alchemy and the Polar Night Liberator, this new Atelier title will transport players to the continent of Lantarna, where they can explore, gather ingredients for the simple yet deep synthesis system, and discover every secret corner, day or night, rain or shine. Players will also have the opportunity to explore multi-level dungeons, known as “Dimensional Paths”, where the structure will change randomly with each visit, allowing players to gather different ingredients and challenge new enemies depending on the difficulty level chosen.

Fights in Atelier Resleriana: The Red Alchemist & the White Guardian will blend strategy with turn-based combat for strategic timeline command battles where action points and equipped items can be used to inflict damage and influence the timeline of characters’ turns, triggering consecutive turns for allies, and activating powerful unite attacks. By using ingredients gathered during exploration or combat, Rias will be able to synthesise various items during a process called “Gift Color Synthesis” in which players connect the “Gift Colors” of the ingredients together to create new items.

Other features include shop management -- where players can sell items crafted through synthesis – and a new system centred around the main story progression and the restoration of the town. By visiting the Town Hall, Star Landing, users will be able to invest the money they earned by completing requests and selling items at Rias’ shop in the five districts composing Hallfein, helping rebuild their hometown.

In addition to the game’s launch, the first paid DLC content: the Gust Extra BGM Pack, is now available. Three additional paid DLC packs will also be available in the coming months. Expected to release by the end of November, 2025 is the “Beginning of Summer Days” costume set, containing 6 costumes in total including the “Bright Treasure” swimsuit costume for Rias, the “Ocean Hero” swimsuit costume for Slade, the “Street Aestus” swimsuit costume for Raze, the “Beachside Witch” swimsuit costume for Wilbell, the “Coral Fairy” swimsuit costume for Totori, and the “Sunset Relaxation” swimsuit costume for Sophie.

Expected to release by the end of December, 2025 is the “Additional Characters” pack featuring Resna and Valeria. Once players progress up to a certain point of the story, the protagonists of Atelier Resleriana: Forgotten Alchemy and the Polar Night Liberator, Resna and Valeria, can be added along with their stories.

Expected to release by the end of January, 2026 is the Recipe Expansion Pack, “The Essence of Alchemy” along with the new high-difficulty dungeon, “Backwards-Ticking Clock Workshop.”

Aside from the standard version of the game, the Digital Deluxe Edition is also available and includes the base game, a selection of costumes for all playable characters, and a pack of items. Players can also purchase the Ultimate Edition which includes the Season Pass, the Season Pass purchase bonus (a collaborative costume with Atelier Yumia: The Alchemist of Memories & the Envisioned Land for Rias and Slade), and the content from the Digital Deluxe Edition.

Everyone who purchases either a physical or digital edition up to the first two weeks after release will receive the “Activewear Adventuring Set” for Rias and Slade, and the “Adventuring Charm Set” as early purchase bonus.

Atelier Resleriana: The Red Alchemist & the White Guardian is now available on PlayStation®5, Nintendo Switch™ and Windows PC via Steam®. The game is available as an entirely offline adventure with no internet connection required*. Atelier Resleriana: The Red Alchemist & the White Guardian includes Japanese voices with English texts only. The PlayStation® 4 version will not be sold outside of Japan.

For more information on Atelier Resleriana: The Red Alchemist & the White Guardian, be sure to visit the official site, subscribe to the official KOEI TECMO America YouTube channel, like us on Facebook, and follow us on X, Instagram, and Discord.

* An internet connection is required to apply updates and additional content.

ABOUT KOEI TECMO AMERICA CORP.

KOEI TECMO AMERICA CORP. is a publisher of interactive entertainment software for current generation consoles, handhelds and digital download content based in Burlingame, California. The company is a wholly owned subsidiary of KOEI TECMO HOLDINGS CO., LTD., headquartered in Yokohama, Japan. KOEI is best known for its Dynasty Warriors® and Samurai Warriors® franchises. TECMO is best known for the Dead or Alive®, Ninja Gaiden®, Tecmo Bowl®, and Fatal Frame® series.

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