Books, tools, and supplements for the Mneme RPG system — compatible with Cepheus Engine and Traveller SRD.
View all on DriveThruRPG ↗
Adventures set in Alpha Centauri's solar neighborhood. Setting information and adventures for Cepheus Engine or Traveller SRD. Near-space world-building with ready-to-run scenarios for hard sci-fi…
Get Free / PWYWInteractive online ship designer for Cepheus Engine and Mneme RPG. Build and design spacecraft directly in your browser — no install needed. Free open-source tool.
Open Tool
Flowchart cards covering all 24 Careers in Cepheus Engine SRD — civilian and military. A complete deck of visual reference cards for streamlined character creation…
Buy — $3.00
Flowchart cards for the 6 Combat Careers in Cepheus Engine SRD. Visual step-by-step character generation covering survival, advancement, and mustering-out tables in an easy-to-follow card…
Get Free / PWYWOpen-source character generator for Cepheus Engine and Mneme RPG. A free tool hosted on GitHub — no installation required.
Open Tool
Editable character sheets and ship profiles for the Mneme RPG system. Available in PPT and PDF formats.
Get it
A tactical space combat system for the Mneme RPG. Built around mass-based spacecraft design, kinetic engagement, and meaningful decision-making under pressure.
Get it
Digital-only edition of Mneme Space Combat. Enhances Cepheus Engine Chapter 10: Space Combat with streamlined alternative starship combat mechanics. The lighter PDF-only version of the…
Buy — $2.99
Comprehensive space combat supplement for Cepheus Engine. Streamlined mechanics, 2D play aids, and enhanced rules for starship engagements. Includes all tools from the ebook edition…
Buy — $5.00
Add-on rules for Cepheus Engine and Traveller SRD. Streamlines combat with Referee Does Not Roll, One Roll Per Turn, and Superiority-based action economy. Maintains full…
Buy — $5.00
Procedural world generation system for the Mneme RPG. Generate star systems, habitable worlds, and campaign settings using real astrophysics data.
Get it
A book for generating worlds and star systems. Includes a how-to guide for writers and GMs, instructions for 2D star system hex maps, and sample…
Get Free / PWYW