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About DRACU-RIOT!
DRACU‑RIOT! follows Mutsura Yuuto, a vacationer who travels to the artificial island Aqua Eden—a Special Administrative Region off Japan’s coast where casinos and other activities are legal. After witnessing a kidnapping, Yuuto intervenes, is turned into a vampire, and becomes trapped in the island’s midnight city.
Presented as a single‑player adventure, the game offers Steam achievements, trading cards, cloud saves, and family sharing. Developed by YUZUSOFT, it is released for Windows PCs through Steam.
01 / THE GUIDE
Storyline
The narrative opens with Yuuto arriving on Aqua Eden with a personal goal, only to encounter a kidnapping that forces him to act. His intervention triggers a transformation into a vampire, shifting the story from a simple vacation to a supernatural conflict.
Now a vampire, Yuuto must navigate a city where humans and vampires coexist under a utopian vision. The plot follows his adjustment to new circumstances and the consequences of his actions within this legally permissive environment.
- Pay close attention to dialogue, as it often reveals character motives.
- Track key plot events to understand Yuuto’s evolving objectives.
02 / THE GUIDE
Setting
Aqua Eden is described as a Special Administrative Region, an artificial island off Japan’s coast where casinos and other activities are legal. This legal framework shapes the city’s atmosphere, blending futuristic elements with a permissive nightlife.
The setting emphasizes a midnight city where humans and vampires are allowed to coexist. This coexistence creates a backdrop for the story’s exploration of societal norms and the tensions that arise from the island’s unique legal status.
- Observe environmental details that hint at the island’s legal freedoms.
- Consider how the coexistence premise influences character interactions.

03 / THE GUIDE
Gameplay
Classified as an adventure game, DRACU‑RIOT! centers on narrative progression and exploration of Aqua Eden’s streets. Players guide Yuuto through story events, interacting with characters and uncovering plot details.
The single‑player experience emphasizes story choices and environmental observation rather than combat. Progress is driven by dialogue, scene transitions, and the unfolding vampire narrative.
- Read in‑game notes and dialogue to gather context.
- Explore locations thoroughly to discover story cues.
04 / THE GUIDE
Steam Features
DRACU‑RIOT! integrates Steam achievements, allowing players to earn recognitions for completing specific milestones within the adventure. These achievements provide optional goals that complement the main storyline.
The title also includes Steam Trading Cards, Steam Cloud saves, and Family Sharing. Trading cards can be collected, Cloud ensures progress is stored online, and Family Sharing lets other account holders play from the same library.
- Review the achievement list early to set personal objectives.
- Enable Cloud sync in Steam settings to safeguard your save data.
05 / THE GUIDE
Platform Support
The game is released exclusively for Windows PCs via Steam, with no macOS or Linux versions listed. This focus simplifies development and ensures compatibility with the Windows ecosystem.
Players obtain the title directly from the Steam store, where all listed features—achievements, trading cards, Cloud, and sharing—are automatically integrated for Windows users.
- Confirm your Windows version meets the game's requirements before purchase.
- Keep Steam updated to receive the latest patches and feature support.





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