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Fatal Twelve official game artwork

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Shishimai Rinka was a high schooler who ran a small café named Lion House in place of her grandmother. She lived her life much like any other person her age, but one day, she was caught up in an explosion while

Steam ↗Windows · macOS · Linux
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About Fatal Twelve

Fatal Twelve follows high‑school café owner Shishimai Rinka, who dies protecting a friend in a train explosion and awakens back at her shop as if nothing happened. She is soon drawn into Divine Selection, a twelve‑week ritual where twelve participants compete to reverse their deaths.

The game blends adventure storytelling with a casual investigative loop: players collect each opponent’s name, cause of death, and real‑world regret, then “elect” them to progress. Developed by LYCORIS, it is a single‑player indie title on Windows, macOS, and Linux via Steam, supporting achievements, trading cards, and family sharing.

01 / THE GUIDE

Narrative Premise

Rinka runs the Lion House café after her grandmother and lives a typical teen life until a train explosion claims her friend Naomi. Rinka shields Naomi, dies, and inexplicably returns to her café as if nothing happened.

A few days later she meets Parca, a self‑described goddess, and learns she is part of Divine Selection—a ritual where twelve people compete over twelve weeks to undo their deaths.

  • Compare Rinka’s ordinary life before the explosion with the surreal world after to notice thematic shifts.
  • Notice how the presence of her friend Mishima Miharu adds personal stakes to the competition.

02 / THE GUIDE

Divine Selection Mechanics

Participants must eliminate each other by gathering three pieces of information: the opponent’s name, cause of death, and real‑world regret. Once all three are known, the player can “elect” that participant, removing them from the competition.

Collecting these data points drives the narrative forward, revealing each character’s backstory and the truth behind Rinka’s own death as the weeks progress.

  • Gather all three required details before attempting an election to avoid wasted attempts.
  • Use the information you uncover to anticipate other participants’ strategies.
Fatal Twelve official gameplay screenshot
Publisher-provided gameplay image · LYCORIS

03 / THE GUIDE

Key Characters

Rinka is the protagonist, a café owner thrust into a death‑reversal contest. Parca claims to be a goddess and guides the participants. Mishima Miharu, Rinka’s friend, is also among the twelve, willing to sacrifice herself for Rinka.

Other contestants each bring unique regrets and motives, creating tension as alliances form and break throughout the twelve‑week period.

  • Observe how Miharu’s willingness to die for Rinka influences player decisions.
  • Track each contestant’s regret to gauge their likely actions.

04 / THE GUIDE

Steam Integration

Fatal Twelve is a single‑player title on Steam, offering achievements, trading cards, and family sharing. These features are platform‑wide and do not affect core gameplay, but they provide additional incentives for completion and collection.

The game runs on Windows, macOS, and Linux, ensuring broad accessibility for PC players across major operating systems.

  • Check the Steam achievement list to set personal milestones.
  • Family sharing lets another account access the game from the same library.

05 / THE GUIDE

Developer and Genre

Developed by indie studio LYCORIS, Fatal Twelve blends adventure, casual, and indie sensibilities. The focus is on narrative exploration and player‑driven investigation rather than fast‑paced action.

The genre classification signals a relaxed pacing, encouraging players to absorb story details and make thoughtful choices during the Divine Selection process.

  • Approach each investigation at a comfortable pace to fully absorb character backstories.
  • Compare the game’s casual tone with its high‑stakes premise for a richer experience.

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Screenshots & game images

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    QUICK ANSWERS

    Fatal Twelve FAQ

    What is the main objective in Fatal Twelve?

    Players aim to reverse their own death by eliminating the other eleven participants through gathering each opponent’s name, cause of death, and regret.

    Can Fatal Twelve be played on a console?

    The game is released only for Windows, macOS, and Linux on Steam; no console versions are documented.

    Do achievements affect the story outcome?

    Achievements are a Steam feature and do not alter the narrative or gameplay progression.

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    SOURCES & CREDITS

    Official resources and further reading

    Original editorial guidance. Game imagery and trailers are provided by the publisher through Steam. Media and reference links checked 2026-10-24. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.