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Cover of The Investigator's Oracle

The Investigator's Oracle

Solo roleplaying game · by infiniteportalvault · in English
On Quisicosas since 2 February 2026
Featured in the newsletter of 2 February 2026 (on Substack)

What it is about

Prefer a Light-Mode theme design? See: https://infiniteportalvault.itch.io/the-investigators-oracle-lm THE  COMPLETE INVESTIGATOR'S  ORACLE ◈  62 pages of professional random tables designed specifically for horror and mystery investigation. ◈ 8 complete sections covering every aspect of solo horror play: oracles, evidence, witnesses, locations, threats, conspiracies, and generators. ◈ System-agnostic: works with Call of Cthulhu, Trail of Cthulhu, Delta Green, Vaesen, or any horror / investigative RPG. ◈ Genuinely useful for solo play, GM-less games, or as a GM tool for improvisation. ◈ Professional design throughout; dark luxury aesthetic. "Created with AI assistance initially to get formatting consistent but then extensively shaped and edited by a passionate human to serve actual play."

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