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About the Unfolding Machines

The Unfolding Machine series — PUM, SUM, and GUM — are innovative solo RPG and storytelling systems designed to help you:

  • Create, play, and record your own adventures (solo or with friends)
  • Explore different aspects of play with each system
  • Enjoy a complete toolkit for solo roleplaying, creative writing, and worldbuilding

Plot Unfolding Machine (PUM)

PUM is the main system for solo RPG play. It helps you develop stories using a tabletop RPG and dice, providing prompts, challenges, and stakes for your protagonists.

Best for:

  • Storytelling, creative writing, and journaling
  • Improvisation and plot structure

Key Features:

  • 🎲 Random prompts and modified proposals
  • 🔮 Oracles to answer any kind of question
  • 🧩 Plot nodes to interact with your game as you design it
  • 🌍 Incorporate your own worldbuilding
  • 😲 Challenge scene proposals with emotion-based deviations
  • 🛤️ Plot structures that unfold your game smoothly
  • 🎨 Customizable experience for different plot structures and themes

Scene Unfolding Machine (SUM)

SUM is a supplement of random tables to spark ideas during your roleplaying games. It’s designed for solo or GM-less play, and is especially useful for improvising scene content and NPC personalities, dialogue, and reactions.

Best for:

  • Scene and character emulation
  • Generating creative prompts and surprises

Key Features:

  • 🎬 Scene emulation: start/wrap up scenes, discover what happens next
  • 🗣️ Character emulation: NPC attitudes, reactions, and dialogue
  • 🎲 Dice rolling with a BIAS to fit your expectations
  • ♾️ Countless combinations for character behavior, personalities, and dialogue
  • 💡 Surprise, reactions, and ways to open up new scenes

Game Unfolding Machine (GUM)

GUM is a modular Game Master’s assistant for worldbuilding and game prep. It provides ideas for creating and playing your game, with a game creation guide and a set of inspiring random tables for items, enemies, creatures, factions, and more.

Best for:

  • Worldbuilding and game prep
  • Creating content for GMs and solo players

Key Features:

  • 🏗️ Game creator: overarching problems, location archetypes, plot seeds
  • 👤 Generators for characters, creatures, items, enemies, factions, locations
  • 🧠 Enrichment for character development: deeds, motivations, archetypes
  • 🎲 Grand oracle with d100 Action, Adjective, and Subject

🌐 Languages: English, Spanish, German

💬 Community: Join the Discord to discuss, share ideas, and get support.