All systems

Science fiction

A classic-tradition science-fiction reference built around 2d6, supporting space campaigns and original material created using the Cepheus Engine rules and publishing framework together.

Directory entry · Samardan Press

Third-party modules welcome
Entry type
Rules engine
Rules family
2d6
Edition
Cepheus Engine
Rules licence
OGL 1.0a y CSL para marca

01

What is it about?

Cepheus Engine presents science-fiction rules without prescribing a complete setting. Its SRD gathers tools for characters, equipment, and space adventures in the Traveller tradition. The reference published by Samardan Press distinguishes its open content from reserved trademarks and product titles, rather than granting rights to every related setting.

02

At the table

Players portray space travellers and face challenges through a 2d6 engine. Character abilities and the crew’s decisions guide their adventures across a science-fiction campaign setting.

For module creators

Publishing modules

Independent sales

Partially checked ·

Samardan Press' original SRD provides an OGL route for creating and distributing original science-fiction material, including paid adventures. Permission depends on the designated open content in the document used and its licence notices.

Conditions

Identify open content, complete OGL and attribution, and distinguish the CSL trademark licence. This does not grant all Traveller IP or require DriveThruRPG as the sales channel.

Permission and sources

03

Read the rules

Read the rules Licence source Source 1
Logos and credits

Logos identify the games listed and belong to their respective owners. Inclusion in this directory does not imply affiliation or endorsement.

Cepheus Engine

Cepheus Engine — Samardan Press.

Original logo design, resized for the web.

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