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GeoMancer

Solo roleplaying game · by Aaron Best · in English
On Quisicosas since 6 September 2025
Featured in the newsletter of 6 September 2025 (on Substack)

What it is about

A solo journalling game of sacred geometry, arcane architecture, and desperate creation. The world is growing quiet. A deep Stillness settles, leaching purpose from all it touches. You believe you are the only one who sees it for what it is. In your hands is the only answer: a grimoire of forbidden architecture, a promise of a Great Work. You are The Architect, tasked with building a great Spire - an arcane machine of stone and glass. With a grimoire, a blueprint, and a set of cryptic principles, you will raise your creation to the heavens, one impossible room at a time. GEOMANCER is a game about obsession, creation, and the strange power of places. Each turn, you will consult your grimoire to determine the next part of the Spire you must build, drawing its cross-section on your blueprint. As you place each room, you will calculate its arcane interactions, risking your sanity (Clarity) to increase your mastery (Resonance). The Spire will react to your work, revealing strange and terrifying Manifestations that you must record, and interpret, in your journal. The Experience This is a quiet, contemplative game of solitude and creation. It is a game of architectural horror, where the building itself becomes a character - a strange, living entity that you are both creating and trying to understand. The rules generate a unique puzzle, but your journal is where the story of your magnificent, terrifying creation is told. The feeling is one of gothic grandeur, of metaphysical dread, and of a profound, creative obsession. Inspirations This game was inspired by and is for fans of: - The strange, impossible architecture of the art of Piranesi. - The cosmic and metaphysical horror of Lovecraft and themes of building as a ritual - Solo journaling RPGs like Thousand Year Old Vampire and The Wretched. - Themes of sacred geometry, alchemy, and the hubris of creation. What you need - The provided game sheet (for the Blueprint and stats) - A notebook (for your Grimoire) - A pen or pencil - Two six-sided dice

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