🛡️ One Hero Engine – Core Rulebook (v 0.12)

A solo-focused, narrative-driven RPG for mythic storytelling, bold decisions, and immersive worldbuilding. Designed to be lightweight in mechanics and rich in expression, One Hero Engine puts the story in your hands—no game master required.

Part I: Creating Your Hero

1. What Is One Hero Engine?

One Hero Engine (OHE) is a solo tabletop roleplaying system where you take the role of a single hero facing challenges, enemies, and unknown fates in a dynamic, mythic world.

For this game, I’ll be using the concept outlined in this post .

🚀 The Journey Begins

Aside from wargaming, RPGs have been a long-time passion of mine. It’s been quite a while since I last ran a proper campaign, and for the past few years, I’ve been drawn to the idea of solo RPGs. My first foray into that space was with Ironsworn by Shawn Tomkin—I loved its gritty tone and mechanics so much that I immediately backed Starforged on Kickstarter when it launched.