The 23rd century serves as the foundation of the entire Star Trek universe. A time in which many of the most iconic people, starships, and locations are introduced, and when many of its key events take place.

The 23rd Century Campaign Guide presents the entire 23rd century for you to use in the Star Trek Adventures roleplaying game, from the growing pains of the nascent Federation in the century’s early decades to the rising tensions with the Klingon Empire that sparked a brutal war in 2256-2257. Then, onward into the bold “five year missions” period and the volatile latter third of the century.

Characters of every department, from command to medical, can use new rules and character options to deepen their gameplay experience. No matter the composition of your crew, this guide provides the means for you to play through some of the most dramatic and influential periods in Star Trek!

The 128-page full-color The 23rd Century Campaign Guide features:

New player character options, including new options for the Environment phase of lifepath character generation, the new Free Trader career path option, and 12 new career events.

New optional rules for generating casualties and impacting characters with lingering consequences such as fatigue, scars, and trauma.

Guidance to help players and gamemasters create amazing missions and campaigns that fit thematically into the 23rd century, and to collaboratively tell stories with your crew that are as evocative and epic as those involving Michael Burnham, James Kirk, Nyota Uhura, Christopher Pike, Mr. Spock, and many others.

Information about four key periods of the century, along with specific details for each key period concerning the state of the Galaxy, technological advancements, and the major and minor civilizations at play.

Extensive player advice about playing characters through the various periods in this century, along with sample focuses, traits, and values for players to consider adding to their characters.

Advice for gamemasters on the themes and tones present in each period of this century, and information on various styles of play and campaign structures that might best fit each period.

This second edition supplement is compatible with both first edition Star Trek Adventures and the Captain’s Log Solo RPG.








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Released: 08 September 2026