Steam app 3259600 · updated 12 Sep 2026, 21:06 UTC
The story of two protagonists as they rebuild their hometown and seek the hidden truth. Engage in timeline-based command battles and enjoy the easy-to-learn yet deeply engaging synthesis. Plus, take on shop management, explore random dungeons, and more!
674 hourly samples, with the daily peak drawn over them. Weekends are shaded.
13 months, September 2025 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 412 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 262 hourly samples. Each dip is a night. Weekends are shaded.
Atelier Resleriana: The Red Alchemist & the White Guardian was released on 25 Sep, 2025.
| Language | Full audio |
|---|---|
| English | |
| Simplified Chinese | |
| Traditional Chinese | |
| Japanese | ● |
| Korean |
A blank audio cell means full audio was not marked in the returned language list.
Atelier Resleriana: The Red Alchemist & the White Guardian - Launch Trailer
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Atelier Resleriana: The Red Alchemist & the White Guardian – Story Trailer
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Atelier Resleriana: The Red Alchemist & the White Guardian – System Introduction Trailer
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Atelier Resleriana: The Red Alchemist & the White Guardian - PV1
Watch on Steam42 achievements in total.
17 developer announcements, Jul 2025 to Feb 2026 · times in UTC
• Fixed a bug that would sometimes prevent additional content from being applied to the game. • Fixed other minor bugs.
KTG_Dev_Messenger• Fixed a bug that made progression impossible when all enemies were defeated just before Sophie used the item "Magician's Flute" during a Multi-Action. • Fixed a bug that caused the effects of "Strong Alchemy Fibers," "Snowflake Crystal,"…
KTG_Dev_MessengerWe have released Additional Content Vol.4 today. Recipe Expansion Pack “The Essence of Alchemy” A pack of useful recipes for your adventure. Adds recipes such as character specific items and equipment as well as useful synthesis…
KTG_Dev_MessengerThe Steam Awards 2025 nominations are open now! We hope you can nominate Atelier Resleriana: The Red Alchemist & the White Guardian for "Outstanding Story-Rich Game Award". Of course, if you think other categories are more suitable, then…
KTG_Dev_MessengerWe have released Additional Content Vol.3 today. ■Additional Content Vol.3 (Paid DLC/Available now) Additional Characters - Resna and Valeria Resna and Valeria will join your party, complete with new character stories and unique recipes and…
KTG_Dev_Messenger• Added support for additional content. • Added the highest difficulty level, "Legendary." • Added the "Extra Tree," which allows characters' stats to be further enhanced. • Added the "Ingredient Grouping" feature to the basket and…
KTG_Dev_MessengerWe have released Additional Content Vol.2 today. ■Additional Content Vol.2 (Paid DLC/Available now) Beginning of Summer Days Costume Set A set of new swimsuit costumes for Rias, Slade, Raze, Wilbell, Totori, and Sophie. One unique design…
KTG_Dev_Messenger• Added support for additional content. • Adjusted the filter function so that when an option is already selected, only relevant options will be displayed for other categories. • Improved the encyclopedia's material tracking feature to take…
KTG_Dev_Messenger• Adjusted Recipe Morph so certain effects of materials used in the arrange slot are transferred. • Fixed an issue where event progress may not be saved correctly when an auto-save occurs after an event ends. • Fixed an issue where the game…
KTG_Dev_Messenger• Added support for additional content. • Fixed an issue where Unite Attacks and Burst Skills did not activate correctly under certain conditions. • Fixed an issue where the action speed adjustments based on difficulty for bosses were not…
KTG_Dev_MessengerDeveloper Gust launched Atelier Resleriana: The Red Alchemist & the White Guardian worldwide, inviting players everywhere to embark on a cozy journey alongside protagonists Rias and Slade as they attempt to rebuild their hometown while…
KTG_Dev_Messenger- Fixed a bug where performing certain actions while an event notification is displayed in a dimensional path could cause the game to become unresponsive.
KTG_Dev_Messenger『紅の錬金術士と白の守護者 ～レスレリアーナのアトリエ～』をプレイしていただき、ありがとうございます。 本作のパッケージ版、Steam®版購入者向けに製品アンケートを実施しております。 今後の開発に役立てるため、ぜひ皆様の声をお聞かせください。 ご協力をお願いいたします。 ▼『紅の錬金術士と白の守護者 ～レスレリアーナのアトリエ～』製品アンケート https://my.gamecity.ne.jp/product-survey/top…
KTG_Dev_MessengerSeason pass purchase bonus: "Alchemist of Memories" Costumes for Rias and Slade One costume each for both Rias and Slade. Content Details: "Modified Knight's Uniform" Costume for Rias "Knight's Uniform" Costume for Slade Note: - Costumes…
KTG_Dev_MessengerStarting today, digital pre-orders are available! In addition to the standard edition, there is the Digital Deluxe Edition, which includes a set of costumes for Rias, Slade, and their friends, plus a Head Start Item Pack to help you…
KTG_Dev_MessengerA video that offers an in-depth look at the game system such as exploration, battle, synthesis, and shop management has been released. Make sure to watch this video that is full of the charm of Atelier Resleriana: The Red Alchemist & the…
KTG_Dev_MessengerThis game can be enjoyed entirely offline, with no internet connection required. This title sticks to the traditional Atelier series experience while also building upon it. Atelier fans can enjoy an evolution of the familiar synthesis and…
KTG_Dev_MessengerEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| The Red Alchemist & the White Guardian - High-Difficulty Dungeon "Backwards-Ticking Clock Workshop" | Windows | 22 Dec 2025 |
| The Red Alchemist & the White Guardian - Recipe Expansion Pack "The Essence of Alchemy" | Windows | 22 Dec 2025 |
| The Red Alchemist & the White Guardian - Additional Characters - Resna and Valeria | Windows | 20 Nov 2025 |
| The Red Alchemist & the White Guardian - "Atelier Resleriana" Special Music Pack | Windows | 20 Nov 2025 |
| The Red Alchemist & the White Guardian - "Beginning of Summer Days" Costume Set | Windows | 30 Oct 2025 |
| The Red Alchemist & the White Guardian - Atelier Series Legacy BGM Pack | Windows | 30 Oct 2025 |
| The Red Alchemist & the White Guardian - Gust Extra BGM Pack | Windows | 26 Sep 2025 |
| The Red Alchemist & the White Guardian - Atelier Season Pass | Windows | 26 Sep 2025 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | AtelierReslerianaRW.exe | windows 64 |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocal | KoeiTecmo/AtelierReslerianaRW | * |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG