Stack the deck, see through walls, foresee the draw - here, cheating is sanctioned magic. 19 rivals declare their cheat spells before every deal and outread each other on a fully revealed board. Build your own spells and characters, learn riichi mahjong from zero in the Dojo. (Japanese text only)

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About This Game

Declare your cheats first.

Before every deal, cheat spells are declared and revealed to the whole table. Stacked walls, X-ray eyes, future sight - all public information. You know exactly what they are about to do, and you still can't stop it. A battle of reads built on top of open cheating.

Features

  • 19 mahjong players - one sees the dead wall and the final tile, one counts every live tile left in the wall, one summons dora, one plants yakuman seeds into the deal. Every rival has a unique cheat spell and battle cry, and will absolutely use them on you.
  • The Reveal system - activated spells appear on the side panel. Enemy winning tiles, foreseen draws, even the dead wall: the information war is laid bare. A fair fight built on open cheating.
  • Character workshop - stack spell parts into 10 slots to design your own cheat, with a full character creator (face, hair, outfit). Share your creations with friends via codes.
  • The Dojo - from your first hand to tile efficiency, discard quizzes, reading and push/fold drills. Never played riichi mahjong? You'll learn here. No cheating - except when checking answers.
  • Online play - friend invites and open matchmaking. Ranks from F to SSS.
  • Review mode - replay any game with AI analysis, then "replay from here" to rewrite fate at the turning point.

SoulCasters

A spin-off starring the cast of the original IP "SoulCasters."

The game is currently available in Japanese only.

AI Generated Content Disclosure

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

This game was developed with the help of generative AI tools in the following areas.

■ Illustrations and images
2D artwork such as backgrounds, character portraits, cut-in illustrations, character creator parts, achievement icons, and store artwork was produced using image generation AI. The developer designed and directed the composition, character design, colors, and intent, then selected, retouched, cropped, and composited the generated images before including them in the game.

■ Music
The background music was produced using music generation AI. The developer designed the required mood for each scene, generated candidates, then selected and edited the tracks that are included in the game.

■ Program code
AI coding assistance tools were used for part of the implementation work.

■ Assets that do not involve AI
All sound effects and character voices are existing human-created audio assets (Soundeffect Lab, Kurage Kosho, T-Suta, DOVA-SYNDROME), used in accordance with each provider's terms of use. They are not AI generated. The font is "Zen Kaku Gothic New," provided under the SIL Open Font License.

■ Rights and legal care
All AI-generated assets were reviewed by the developer to ensure they contain no illegal content and do not infringe the rights of third parties. No generation was performed with the intent of imitating any specific real person or existing work.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Intel Core i3 相当以上
    • Memory: 4 GB RAM
    • Graphics: OpenGL 3.3 対応
    • Storage: 1 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11 64-bit
    • Memory: 8 GB RAM
    • Storage: 1 GB available space
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