Launching

March 2026
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Traveller 5e

The oldest and most influential sci-fi TTRPG of all time meets the world’s most popular roleplaying game, with a complete 5e conversion by World’s Largest RPGs.

Get yourself ready to pledge on launch day. Sign up to join BackerKit or Log In to check if you are ready.

Reserve your spot now and you will receive a Traveller 5E coin and the Traveler 5e patch with your physical pledge!


World’s Largest RPGs brings its ambitious, comprehensive publishing approach to the far future by converting Traveller, the most influential science-fiction TTRPG of all time, to the latest edition of the world’s most popular role-playing game.

All of Traveller’s classic themes remain: free traders chasing profit on the edge of civilization, mercenaries taking contracts in bizarre, alien conflicts, explorers pushing beyond the frontiers, interstellar adventurers jumping from port to port, job to job, making their mark upon whole worlds, systems, and sectors.

This campaign includes BackerKit exclusive perks you will not find anywhere else.
  • Early access to the finished conversion before wide retail release
  • Special edition collectibles
  • Digital and physical rewards, from deck plans to miniatures



Traveller 5E meshes all these science-fiction elements with the most classic heroic game system, making for long-term, open-ended play. Everything is included: jump space starships, space combat, interstellar travel, exotic creatures and worlds, all the element to run epic space adventures.


Traveller’s iconic character generation and other rules are seamlessly merged into 5E
  • 5E backgrounds have been wrapped into Traveller's careers, which remain mostly unchanged
  • Every skill is preserved as a proficiency or feature
  • All varieties of combat are recast into the familiar steps we all know
  • Every immersive universe-creating system is faithfully reproduced
  • And, yes, your character can still die during character generation!


Every decision made in Traveller 5E impacts the story. Between the missions you accept, the risks you take, and the allegiances you forge to succeed, every choice matters. Balance your credits, starship fuel, high-tech devices, time and health as you daringly travel between strange and wondrous worlds!



The Traveller 5E project is being led by long-time game designer Timothy Brown, in full coordination with Mongoose Publishing. Having worked on many editions of the original Traveller game, as well as Traveller: 2300, and also several editions of and settings for the world’s most popular role-playing game, such as Dark Sun, he is uniquely positioned to blend the best of both into the most exciting science-fiction role-playing event in decades!

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