
Zankyo: Horror TRPG Gamebook
Summon Echoes. Live till dawn.
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About
Roll the dice, spend your sanity, and survive the night. Zankyo is a text-based horror tabletop RPG you can play alone or pass around one iPhone with friends.
On supported devices, an on-device AI Keeper narrates each scene, so no two nights read quite the same. The AI runs entirely on your iPhone.
[Six stories]
- The Sinking Bell Tower: a letter arrives from a village that vanished twenty years ago. The sender's name is yours.
- The Absent Child: in a school set for demolition, someone still takes attendance in an empty classroom.
- The Inn With No Vacancy: the guest register already has your names in it.
- The Ticket Home: a return ticket that hasn't passed the gate in thirty years.
- The Sixth-Floor Light: a five-story apartment block with six floors of lights.
- The Wheel That Never Stops: twenty years after the park closed, one rider still hasn't gotten off.
Every story has multiple endings. Your choices, and your luck, decide where you end up.
[How to play]
- Tap the choices on screen to explore.
- Search, Listen, Hide, Strength: each skill has a percentage you roll against.
- Fail, and you lose sanity. At zero, that investigator can no longer act.
- Summon an Echo, a heroic spirit, to walk beside you and help your checks. It costs sanity. Call on it too often and it will swallow you.
- Battles are command-based. Allies can hold you together with prayer.
[Alone or together]
- Play solo and sink into the quiet.
- With 2 to 4 players, pass one iPhone around and play co-op.
- With 3 or more, one of you is secretly a traitor who may quietly destroy your gear and sell out the party at the end. You can accuse anyone you suspect.
- The final decision is a majority vote. If it's a tie, you talk it out and vote again.
- Help a wounded friend, or leave them behind. That choice stays with the ending too.
[About candles]
Each run uses one candle (up to 3; one relights every 60 minutes). The first run of every story is free. When you run out, you can watch a video ad to light a candle. Ads appear only when you choose to watch one, never during play or on an ending.
[You'll like it if]
- You want a short, properly scary story you can finish in about 30 minutes
- You love gamebooks, TRPGs, or Japanese horror
- You want something to play with friends or family on one phone
- You want a quiet game for a late night alone
[Note]
Contains horror themes. On devices without Apple Intelligence, the game uses its written script.
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What's New in Zankyo
1.0.3
November 2, 2026
Improved ads.





