Monday, 25 August 2025

Franchise Familiariser: Traveller

If you’re looking into tabletop roleplaying games and want to move beyond the obvious recommendation of Dungeons & Dragons, and maybe laser cannons are more your jam than wizards casting fireball, there is at least one other very long-running candidate out there to consider: Traveller. The roleplaying game of space adventure in the distant future. But where are you travelling to? We’re here to fill you in on the franchise.

The Basics

Traveller is a science fiction, space opera franchise co-created by Marc Miller. The primary medium of the franchise is the tabletop roleplaying game, which was first published in 1977 by Game Designers’ Workshop (GDW) out of Illinois, of which Miller was the co-founder and owner along with fellow designers Frank Chadwick, Rich Banner and Loren Wiseman. Traveller was primarily developed by Miller, Chadwick, Wiseman and John Harshman.

Traveller was a smash hit on release in July 1977, perhaps helped by the release of a certain movie just seven weeks earlier that saw an explosion in demand for anything with spaceships, lasers and robots. Traveller also tapped into the nascent roleplaying market, where D&D was by far the most dominant game but was already being criticised for somewhat clunky rules. Traveller was revolutionary in its approach which eschewed multiple dice types for just using six-sided dies (d6s) and not using levels for character development, instead creating a robust skill system. Traveller also pioneered what would later be called the “Lifepath” system, where players generate their characters’ backstories, skills, aptitudes and relationships before the campaign itself begins. This was usually done in a pre-campaign special session, what we would now call “Session 0.” Though prep sessions for D&D were not unknown, Traveller arguably codified them as an integral part of the campaign. Famously (though somewhat exaggerated), the career system in Traveller could theoretically kill characters during character creation, leading to the game being dubbed the most hardcore and deadly roleplaying game around, though subsequent editions rolled back on this approach.

Traveller quickly became a mainstay of the TTRPG industry and one of its best-known games and constant sellers, and possibly the first TTRPG after D&D to crack a million sales. Its initial rules were extremely well-received, with a simple core concept which allowed for a huge amount of complexity in the form of rolling 2 six-sided dice, adding positive modifiers from skills, and trying to beat a target number depending on difficulty. This simple core had a very large number of modules built onto it through expansions, allowing for starship and robot construction, military operations and exploration (a nod at creating scenarios similar to Star Wars and Star Trek), planet and sector creation and so on. This system inspired the rules of various other games, including the official Star Wars roleplaying game from West End Games that came out in 1987, which was similarly d6-based.

The original version of the game is known as Classic Traveller and is identifiable from its minimalist plain black books with striking red text in the Optima font. The first three books were released in a boxed set to form the core rules system. The main books have no other artwork on the covers, and it was only later in the early 1980s that adventures started adding artwork to their covers. Classic Traveller ran for ten years, with a large number of sourcebooks and adventures published. GDW also encouraged third-party contributions, with numerous other companies and fans (individually or in groups) writing adventures and sourcebooks, some accepted as official canon. Famed TTRPG company FASA started life publishing Traveller adventures, for example, before they developed their own BattleTech aka MechWarrior universe, partially inspired by Traveller (especially the starmaps). Games Workshop also reprinted Traveller rulebooks for the UK market and created a range of miniatures for it, some of which were later repurposed for their Warhammer 40,000 game.

Sales of Traveller began to fall off in the late 1980s and the game was replaced by a new edition called MegaTraveller (1987), in which the Emperor of the Third Imperium is assassinated, triggering a rebellion and civil war. This era saw the publication of the first (and, to date, only) Traveller video roleplaying games, MegaTraveller 1: The Zhodani Conspiracy (1990) and MegaTraveller 2: Quest for the Ancients (1991), for the PC, Amiga and Atari ST.

MegaTraveller was supplanted by Traveller: The New Era in 1993, which adopted a full-on post-apocalyptic setting with a powerful computer virus ravaging human technology. It was controversial amongst fans and the fanbase fractured after its release, with many small groups developing third-party material ending their development of the franchise.

Game Designers’ Workshop collapsed during The New Era and the rights reverted to Marc Miller. Marc Miller developed Marc Miller’s Traveller, better known as Traveller 4th Edition or T4, for release in 1996. The game’s setting is “Milieu 0,” set during the founding of the Third Imperium and avoiding awkward questions about canon.

Steve Jackson Games licensed the setting to release GURPS Traveller in 1998, using their GURPS (General Universal Role-Playing System) rules, which is set in a parallel timeline where the fall of the Third Imperium never happened. This was followed by Traveller 20 or T20 in 2002, an adaptation of the setting and rules to the Dungeons & Dragons, 3rd Edition (or D20) rules system. In 2006 GURPS Traveller: Interstellar Wars was released, which chronicled the first contact between the Terran Confederation and the First Imperium. Comstar Games also released Traveller Hero, using their own Hero rules system, in 2006.

Marc Miller developed his own newer version of the game, called Traveller 5, for release in 2013, with a revised edition in 2019. This version of the game is incredibly deep, complex and simulationist, with less of a focus on the established setting in favour of allowing the Referee to create their own setting. The rules are broadly compatible with Traveller, T4 and Mongoose Traveller and can be used to enhance a campaign using those rules.

The current mainline development of Traveller was taken over by Britain’s Mongoose Publishing in 2008. Mongoose Traveller (an informal name, the official name is just Traveller) became the most successful line since the original edition. In 2016 Mongoose Traveller 2nd Edition was released with hugely updated production values. In 2022 this was superseded by Mongoose Traveller 2nd Edition Update, a minor revision of 2nd Edition with new rulebooks. This has become one of the most prolific and best-selling modern tabletop roleplaying games, with many dozens of supplements, adventures and rulebooks released.

In 2025 Marc Miller sold all remaining IP rights to the Traveller game to Mongoose, confirming their status as the official producers of all Traveller materials. Mongoose continue to develop Traveller, including the Fifth Frontier War sub-line.

For a more detailed look at the publication history of Traveller, please check out This is Free Trader Beowulf: A System History of Traveller by Shannon Appelcline.


MUCH MORE AFTER THE JUMP:



The Canon

Classic Traveller (1977)

Core Books: Traveller: Science Fiction Adventure in the Far Future (boxed set containing Book 1: Characters & Combat, Book 2: Starships and Book 3: Worlds & Adventures) (1977) • Book 4: Mercenary (1978) • Book 5: High Guard (1980) • Book 0: An Introduction to Traveller (1981) • Book 6: Scouts (1983) • Book 7: Merchant Prince (1985) • Book 8: Robots (1986) • The Classic Books 0-8 (2000)

Supplements: Supplement 1: 1001 Characters (1978) • Supplement 2: Animal Encounters (1979) • Supplement 3: The Spinward Marches (1979) • Supplement 4: Citizens of the Imperium (1979) • Supplement 5: Lightning Class Cruisers (1980) • Supplement 6: 76 Patrons (1980) • Supplement 7: Traders & Gunboats (1980) • Supplement 8: Library Data A-M (1981) • Supplement 9: Fighting Ships (1981) • Supplement 10: The Solomani Rim (1982) • Supplement 11: Library Data N-Z (1982) • Special Supplement 1: Merchant Prince (1982) • Supplement 12: Forms & Charts (1983) • Supplement 13: Veterans (1983) • Special Supplement 2: Exotic Atmospheres (1983) • Special Supplement 3: Missiles in Traveller (1984) • Special Supplement 4: The Lost Rules (2008) • Classic Supplements (2000)

Adventures: Adventure 1: The Kinunir (1979) • Adventure 2: Research Station Gamma (1980) • Adventure 3: Twilight’s Peak (1980) • Adventure 4: Leviathan (1980) • Adventure 0: Introductory Adventure – The Imperial Fringe (1981) • Adventure 5: Trillion Credit Squadron (1981) • Adventure 6: Expedition to Zhodane (1981) • Adventure 7: Broadsword (1982) • Adventure 8: Prison Planet (1982) • Adventure 9: Nomads of the World Ocean (1983) • Adventure 10: Safari Ship (1984) • Adventure 11: Murder on Arcturus Station (1983) • Adventure 12: Secret of the Ancients (1984) • Adventure 13: Signal GK (1985) • Classic Adventures (2000)

Double Adventures: Double Adventure 1: Shadows / Annic Nova (1980) • Double Adventure 2: Mission on Mithril / Across the Bright Face (1980) • Double Adventure 3: Death Station / The Argon Gambit (1981) • Double Adventure 4: Marooned / Marooned Alone (1981) • Double Adventure 5: Chamax Plague / Horde (1981) • Double Adventure 6: Night of Conquest / Divine Intervention (1982) • Double Adventure 7: A Plague of Perruques / Stranded on Arden (2001) • Short Adventure 8: Memory Alpha (2001) • Double Adventure 1-6 + The Classic Short Adventures (2001)

Alien Modules: Alien Module 1: Aslan (1984) • Alien Module 2: K’kree: Encounters with the Enigmatic Centaurs (1984) • Alien Module 3: Vargr (1984) • Alien Module 4: Zhodani (1985) • Alien Module 5: Droyne (1985) • Alien Module 6: Solomani (1986) • Alien Module 7: Hivers (1986) • Alien Module 8: Darrians (1987) • The Alien Modules 1-4 (2001) • The Alien Modules 5-8 (2001)

Modules: M01: Tarsus: World Beyond the Frontier (1983, box set) • MO2: BeltStrike: Riches & Danger in the Bowman Belt (1984, box set) • MO3: The Spinward Marches Campaign: Adventures in a War-Ravaged Sector (1985) • MO4: Atlas of the Imperium (1984) • MO5: Alien Realms (1986)

Board Games: G0: Imperium (1977) • G2: Snapshot (1979) • G3: Azhanti High Lightning (1980) • G6: Dark Nebula (1980) • G1: Mayday (1980) • G4: Fifth Frontier War (1981) • G5: Invasion: Earth (1981) • G7: Striker (1981) • The Classic Games 1-6 (2004)


MegaTraveller (1987)

Sourcebooks: MegaTraveller (1987, boxed set) Referee’s Companion (1987) • Rebellion Source Book (1988) • COACC: Close Orbit & Airspace Control Command (1989) • Fighting Ships of the Shattered Imperium (1990) • Knightfall (1990) • Hard Times (1991) • Assignment Vigilante (1992) • Astrogator’s Guide to the Diaspora Sector (1992) • Arrival Vengeance (1992)

Digest Group Publications: Grand Census (1987) • Grand Survey (1987) • 101 Robots (1987) • 101 Vehicles (1988) • The Early Adventures (1988) • Starship Operator’s Manual (1988) • Referee’s Gaming Kit (1989) • World Builders’ Handbook (1989) • Alien – Vilani & Vargr (1990) • The Flaming Eye Campaign Sourcebook (1990) • Alien – Solomani & Aslan (1991)


Traveller: The New Era (1993)

Sourcebooks: Traveller: The New Era Core Rules (1993) The New Era Deluxe (1993, boxed set) • Upgrade Booklet for Fire, Fusion & Steel (1993) • Battle Rider (1993) • Brilliant Lances (1993) • Fire, Fusion & Steel (1993) • Survival Margin (1993) • Path of Tears (1994) • Reformation Coalition Equipment Guide (1994) • Star Vikings (1994) • Striker II (1994) • Smash & Grab (1994) • Traveller Players’ Forms (1994) • Traveller Referee’s Screen (1994) • World Tamer’s Handbook (1994) • Aliens of the Rim: Hivers & Ithklur (1995) • The Guilded Lilly (1995) • Regency Combat Vehicle Guide (1995) • The Regency Sourcebook: Keepers of the Flame (1995) • Vampire Fleets (1995)


Marc Miller’s Traveller (T4) (1996)

Sourcebooks: Marc Miller’s Traveller 4th Edition (1996) Alien’s Archive (1996) • Central Supply Catalogue (1996) • Fire, Fusion & Steel (1996) • Game Screen (1996) • JTAS25 (1996) • Milieu 0: Memory Alpha (1996) • Milieu 0: Campaign (1996) • T4 Starships (1996) • Anomalies (1997) • Emperors Arsenal (1997) • Emperors Vehicles (1997) • Imperial Squadrons (1997) • JTAS26 (1997) • Naval Architect’s Manual (1997) • Pocket Empires (1997) • Psionics Institutes (1997) • T4: First Survey (1997) • Gateway to the Stars (1998) • Missions of State (1998)

Adventures: Adventure 1: Long Way Home (1997) • Adventure 2: Gateway! (1997) • Adventure 3: Annililik Run (1997)


GURPS Traveller (1998)

Sourcebooks: GURPS Traveller (1998) Alien Races 1 (1998) • Behind the Claw (1998) • Alien Races 2 (1999) • Far Trader (1999) • First In (1999) • GURPS Traveller, 2nd Edition (1999) • Star Mercs (1999) • Starports (1999) • Alien Races 3 (2000) • Rim of Fire (2000) • Alien Races 4 (2001) • GM’s Screen (2002) • Heroes 1: Bounty Hunters (2002) • Heroes 2: Fighter Jocks (2003) • Humaniti (2003) • Starships (2003) • Modular Cutter (2004) • Nobles (2004) • Sword Worlds (2004) • Interstellar Wars (2006)

Planetary Surveys: Planetary Survey 1: Kamsii (2000) • Planetary Survey 2: Denuli (2001) • Planetary Survey 3: Granicus (2002) • Planetary Survey 4: Glisten (2002) • Planetary Survey 5: Tobibak (2002) • Planetary Survey 6: Darkmoon (2002)

Deck Plans: Deck Plan 1: Beowulf Class Far Trader (2000) • Deck Plan 2: Modular Cutter (2002) • Deck Plan 3: Empress Marava Class Far Trader (2002) • Deck Plan 4: Assault Cutter (2002) • Deck Plan 5: Sulieman Class Scout / Courier (2002) • Deck Plan 6: Dragon Class System Defense Boat (2002)


Traveller 20 (T20) (2002)

Sourcebooks: The Traveller’s Handbook (2002) T20 Lite (2002) • Traveller T20 Referee’s Screen (2002) • Gateway to Destiny (2004) • Personal Weapons of Charted Space (2004) • Yiarn Caardee Vehicle Catalogue (2004) • Traveller’s Guidebook (2004)


Traveller Hero (2007)

Sourcebooks: Adventurers in Charted Space: Character Creation, Psionics, Combat and Races (2007) Adventure in Charted Space: The Imperium, Gadgets, Vehicles, Robots and Starships (2007)


Mongoose Traveller 1st Edition (2008)

Core Books: Traveller Core Rulebook (2008) Character Record Pack (2009) • Golden Age Starships Compilation (2009) Traveller Core Rulebook Pocket Edition (2009) • Referee’s Screen (2009) • Compendium 1 (2010) • Compendium 2 (2012)

Sourcebooks: Book 0: An Introduction to Traveller (2008) • Book 1: Mercenary (2008) • Book 2: High Guard (2008) • Book 3: Scout (2009) • Book 4: Psion (2009) • Book 5: Agent (2009) • Book 6: Scoundrel (2009) • Book 7: Merchant Prince (2010) • Book 8: Dilettante (2010) • Book 9: Robot (2010) • Book 10: Cosmopolite (2014)

Little Black Books: LBB1: Mercenary (2010) • LBB2: High Guard (2010) • LBB3: Scout (2010) • LBB4: Psion (2010) • LBB5: Agent (2010) • LBB6: Scoundrel (2010) • LBB7: Merchant Prince (2010) • LBB8: Dilettante (2010) • LBB9: Library Data (2010)

Supplements: Supplement 1: 760 Patrons (2008) • Supplement 2: Traders & Gunboats (2008) • Supplement 3: Fighting Ships (2009) • Supplement 4: Central Supply Catalogue (2009) • Supplement 5: Civilian Vehicles (2009) • Supplement 6: Military Vehicles (2009) • Supplement 7: 1001 Characters (2010) • Supplement 8: Cybernetics (2011) • Supplement 9: Campaign Guide (2011) • Supplement 10: Merchants & Cruisers (2011) • Supplement 11: Animal Encounters (2011) • Supplement 12: Dynasty (2011) • Supplement 5 & 6: The Vehicle Handbook (2012) • Supplement 13: Starport Encounters (2014) • Supplement 14: Space Stations (2014) • Supplement 15: Powers & Principalities (2014) • Supplement 16: Adventure Seeds (2014)

Adventures: Adventure 1: Beltstrike (2008) • Adventure 2: Prison Planet (2009) • Adventure 3: Trillion Credit Squadron (2014) • Adventure 4: Into the Unknown (2015)

Third Imperium: Spinward Marches (2008) • Tripwire (2009) • The Spinward Marches Map Pack (2009) • Crowded Hours (2010) • Reft Sector (2010) • Reign of Discordia (2010) • Sector Fleet (2010) • Starports (2011) • Aramis: The Traveller Adventure (2012) • Deneb Sector (2012) • Sword Worlds (2012) • Project Steel (2013) • The Gvurrdon Map Pack (2013) • The Trojan Reaches Map Pack (2014)

Third Imperium – Alien Modules: Alien Module 1: Aslan (2009) • Alien Module 2: Vargr (2009) • Alien Module 3: Darrians (2010) • Alien Module 4: Zhodani (2011) • Alien Module 5: Solomani (2012) • Alien Module 6: Droyne (2012) • Minor Alien Module 1: Luriani (2014)


Traveller 5th Edition (T5) (2013)

Traveller 5 Core Rulebook (2013) Traveller 5.10 Core Rulebook (2019, slipcase)


Mongoose Traveller 2nd Edition Update (2016 – present)

Core Books: Book 1: Traveller Core Rulebook Update 2022 (2022) • Book 2: Central Supply Catalogue Update 2023 (2023) • Book 3: High Guard Update 2022 (2022) • Book 4: Vehicle Handbook Update 2025 (2025) • Book 5: Traveller Companion Update 2024 (2024) • Book 6: Field Catalogue (2022) • Book 7: Specialist Forces (2022) • Book 8: Robot Handbook (2023) • Book 9: World Builder’s Handbook (2024) • Book 10: Bounty Hunter (2024) • The Imperial Navy

Accessories: Traveller Referee’s Screen Update 2024 (2024) • Traveller Utility PackThis is Free Trader Beowulf: A System History of Traveller (2024)

Starter Editions: Traveller Explorer’s Edition (2021) • Traveller Starter Kit (2024) • Traveller Merchant’s Edition (2024)

Box Sets: Element Class Cruisers (2018) Mercenary Box Set (2022) Sector Construction Guide (2023) • The Great Rift Update 2025 (2025)

Charted Space: Book 1: Behind the Claw (2019) • Book 2: Sword Worlds (2020) • Book 3: Skandersvik (2020) • Book 4: Aliens of Charted Space 1 (2020) • Book 5: Aliens of Charted Space 2 (2020) • Book 6: The Glorious Empire (2021) • Book 7: The Solomani Front (2021) • Book 8: The Third Imperium (2021) • Book 9: Aliens of Charted Space 3 (2022) • Book 10: Mercenaries of Charted Space (2022) • Book 11: Secrets of the Ancients (2021) • Book 12: The Spinward Extents (2022) • Book 13: Aliens of Charted Space 4 (2023) • Book 14: Order of Prometheus (2023) • Book 15: The Trailing Frontier (2023) • Book 16: Rim Expeditions (2023) • Book 17: Mysteries of the Ancients (2023) • Book 18: Wrath of the Ancients (2023) • Book 19: The Deep and the Dark (2023) • Book 20: Starship Operator’s Manual (2024) • Book 21: Clans of the Aslan (2024) • Book 22: Core Expeditions (2025) • Book 23: Ine Givar (2025)

Campaigns: The Pirates of Drinax (box set) The Drinaxian Companion Shadows of SindalDeepnight Revelation Core Set (box set) • Deepnight Revelation 1: Riftsedge Transit (2021) Deepnight Revelation 2: The Near Side of Yonder (2021) • Deepnight Revelation 3: The Crossing (2021) • Deepnight Revelation 4: The Far Side of Nowhere (2021) • Deepnight Revelation 5: Voidshore (2021) • Deepnight Revelation 6: Expeditions (2021) • Whispers on the Abyss

Supplement: Book 1: Adventure Class Ships (2023) • Book 2: Small Craft Catalogue (2023) • Book 3: Traders & Gunboats (2024)

Fifth Frontier War: Book 1: The Fifth Frontier War (2024) • Book 2: Flashpoints (2024) • Book 3: War Fleets of the Fifth Frontier War (2024) • Book 4: Opening Moves (2024) • Book 5: Riverland (2024) • Book 6: Ground Forces of the Fifth Frontier War (2024) • Blu and Embla Do the Fifth Frontier War (2024)

Adventures: Core Adventure 1: Invasive Species • Core Adventure 2: Last Call at Eneri’s Cantina • Core Adventure 3: Errant Lightning • Deneb Adventure 1: The Lost Duke • Great Rift Adventure 1: Islands in the Rift • Great Rift Adventure 2: Deepnight Endeavour • Great Rift Adventure 3: Flatlined • Marches Adventure 1: High & Dry • Marches Adventure 2: Mission to Mithril • Mercenary Adventure 1: Verloren Hoop • Mercenary Adventure 2: Bug Hunt • Mercenary Adventure 3: Must Travel, Need Guns • Naval Adventure 1: Shakedown Cruise • Naval Adventure 2: Showing the Sunburst • Naval Adventure 3: Fire on the Sindalian Main • Naval Adventure 4: Enemy of My Enemy • Reach Adventure 1: Marooned on Marduk • Reach Adventure 2: Theories of Everything • Reach Adventure 3: The Calixcuel Incident • Reach Adventure 4: Last Flight of the Amaur • Reach Adventure 5: The Borderland Run • Reach Adventure 6: Exodus • Reach Adventure 7: The Last Train Out of Rakken-Goll • Reach Adventure 8: Makergod • Solomani Adventure 1: Mysteries on Arcturus Station • Solomani Adventure 2: The Bell of RocamadourThe Marches Adventures 1-5

Journals of the Travellers’ Aid Society: Volume 1 to Volume 18


Backstory

More than 320,000 years ago, a mighty civilisation arose in our part of the galaxy. Known only as “the Ancients,” they colonised many worlds and uplifted many animal species to sapience, and achieved an extremely high level of genetic and technological sophistication, well beyond Tech Level 25. At their zenith, they were able to move planets in their orbits and also began (but did not finish) construction of a ringworld around a star.

They discovered Terra (Earth) whilst the modern human species was only just starting to become the dominant form of life, and took many groups of humans and some animal stock for study. They transplanted humans to many other worlds, with an estimated 90 to 100 planets seeded with these primitive humans over the course of several centuries. Most notable of these worlds were Vland and Zhdant. The Ancients also took animals of the Canis family and uplifted them to sentience, creating the Vargr species. They place Vargr colonies on several worlds, but had the greatest success on Lair.

The Ancient civilisation collapsed in a catastrophic conflict known as the Final War, which is estimated to have taken place approximately 290,000 years ago. The Final War may have been a civil war between Ancient factions, or a conflict between the Ancients and some other civilisation. Very little is known about the Final War other than it was both incredibly destructive, with entire planets and star systems devastated, and incredibly subtle, with some planets surgically struck and eliminated of all opposing lifeforms whilst the biosphere was kept intact. The destruction of the Final War was so great that this area of the galaxy effectively went quiet for almost 280,000 years.

In -10,011 IC (10,011 years before the start of the Imperial Calendar), approximately equal to 5498 BCE by Terran reckoning, the transplanted humans of the planet Vland, known as the Vilani, began exploring space. In -9235 IC (4721 BCE) they discovered the jump drive, allowing FTL jumps to worlds within one parsec. The humans of Zhdant, the Zhodani, followed suit, beginning space exploration in -7980 IC (3467 BCE) and independently discovering the jump drive in -5415 IC (899 BC).

The Vilani spread across their area of space slowly, settling numerous worlds and making contact with other worlds independently seeded with humans by the Ancients. The Vilani initially treated with other worlds peacefully, sharing technology and science, but to their horror discovered that other worlds were not as enlightened as they were (by the Vilani’s own standards, anyway) and used their technology for ill ends, sometimes even attacking the Vilani sphere of influence. When the Vilani developed Jump-2 drives, doubling their jump range, giving them a significant strategic and tactical advantage over the bandit kingdoms, the Vilani initiated the Consolidation Wars. Between -5400 and -4015 IC (884 BCE to 503 CE) the Vilani overwhelmed their neighbours and forged the Ziru Sirka or “Grand Empire of the Stars,” today called the First Imperium, although this is retroactive term.

The Grand Empire of the Stars spread across a vast extent of space, extending across 27 sectors of space with some 3,979 systems and 15,000 worlds under its influence. The golden age of the First Imperium lasted for some 1,800 years, with its early period marked by huge cultural and scientific advances. However, the Vilani had a tendency to conservatism and restraint in scientific matters, and advances became fewer and further between. It was during this period that the Vilani discovered the extent of the Ancient Empire and its fall, which may have contributed to its caution.

One intriguing quirk of the Ancients’ decision to uplift and move humans from Terra to other worlds is that, on those worlds, humans developed more quickly than they did on Terra itself. This may be down to local climactic conditions or, being interlopers on those worlds, those humans needed to develop more quickly and more decisively than on Terra itself, which was more benign for them.

Still, on Terra major spaceflight experiments began in -2582 IC (1957 CE), with a manned landing on its major satellite twelve years later. Across the next century or so Terran civilisation expanded rapidly, achieving major advances in nuclear and fusion technology, renewable energy sources, artificial intelligence and robotics, as well as limited exploration of other worlds and satellites in the Sol system with automated probes. In -2431 IC (2088 CE), the Terrans discovered the jump drive and began galactic exploration. In -2422 IC (2097 CE), the Terrans made contact with the Grand Empire of the Stars via an outpost located at Barnard’s Star. To the humans of Terra, the existence of humanoid “aliens” was a great shock, though to the Empire, which had found dozens of worlds with isolated human stock on them, this was routine. However, the speed of Terran technological development and their almost aggressive establishment of a protectorate of colonised worlds around Terra (the Terran Confederation) was surprising. Claims that the Terrans had evidence of their species evolving naturally on Terra over the course of millions of years were generally ignored, despite some Vilani scientists eventually visiting the planet and finding the evidence not unsatisfactory.

The relationship between the Vilani and the Terrans was lopsided, with the Vilani regarding the existence of the Terran Confederation as almost immaterial whilst the Terrans, confronted by a vast empire of apparently overwhelming size, population and resources, were desperately worried. A misunderstanding over a Vilani merchant convoy violating Terran space saw the start of the Interstellar Wars in -2404 IC (2114 CE). The initial conflicts saw both sides take heavy losses, but the front was remote from the centre of Imperial power and local governors were under-resourced. The remarkably quick acquisition of Jump-2 technology Terra was concerning, but the Vilani retained the upper hand, at one point besieging and bombarding Terra.

No less than nine interstellar wars were fought between the Terran Confederation and the Grand Empire of the Stars until the latter final collapsed in -2215 IC (2303 CE). The Confederation did not fight alone, as many Imperial dominions and worlds were deeply unhappy with the central authority on Vland and eagerly joined the “upstarts” as their forces gained momentum through Imperial space. The capital on Vland was also slow to recognise the threat, only mobilising its full strength when the entire Vega sector joined the Terrans and most of the Imperial sector fleets on its southern flank had been destroyed, disabled, captured or even gone over to the foe. The Interstellar Wars coincided with first contact between the Vilani and the Vargr, whose space (the Vargr Extents) was located to the galactic north, separated by the void known as the Windhorn Rift. The presence of Vargr raiders to the galactic north helped tie down Vilani forces so they could not be dispatched to the main theatre of war to the south.

In -2204 IC (2316 CE), the “Rule of Man,” was declared the successor to the Grand Empire. Later called the Second Imperium, this saw the Terrans – now known as the Solomani – take control of the former territories of the Vilani empire. However, the corruption and decadence that had plagued the First Imperium was not alleviated by the Second, despite Terra’s best efforts. By -1776 IC (2744 CE) the central banking system had effectively collapsed and it was no longer possible to exert full control over the worlds of humanity (now called “Humaniti”). This led to the collapse of the Second Imperium, although it was not formally dissolved until -1526 IC (2992 CE).

This was followed by the Long Night, also called the Interregnum. During this time there was no central authority controlling all the worlds of Humaniti, with there being widespread conflict, civil wars and anarchy. Pirate and bandit kingdoms and worlds flourished, and civilised societies were able to only retain control of a few star systems apiece. One of the most successful of these societies was the Sylean Protectorate, which was able to maintain peace around its area of space from as early as -1900 IC to -905 IC (2620-3615 CE). The Long Night saw the Sylean Protectorate collapse into the much smaller Kingdom of Sylea, which endured from -905 IC to -650 IC (3615-3871 CE), before rebounding into the Sylean Federation. The Federation was able to systematically expand and gain control over dozens of surrounding worlds and polities, establishing economic trade and the end of wars and bandit depredations. More worlds flocked to join the Federation as it achieved great success, ending the lengthy barbarism of the Long Night.

This time period also saw first contact between the Vilani and the Aslan, which took place in -1861 (2659 CE). The lion-like Aslan had settled a formidable area of territory to the galactic south-west of human space. After initial cordial relations, the expansion of both species into the same region of the galaxy inevitably resulted in conflict. The lack of a central empire controlling both species fortunately saw the conflicts restrained to border skirmishes, known as the Aslan Border Wars (-1118 IC to 380 IC, 3402-4901 CE) which, despite the length of the conflict, did not expand into a full-scale campaign. The Peace of Ftahalr ended the skirmishes by creating a 30-parsec-wide buffer zone between the two species.

In 4521 CE, the Sylean Federation was dissolved and declared to become the Third Imperium, with its centre on Old Sylea, now called Capital. This became Year 0 of the Imperial Calendar.

The Third Imperium has expanded to incorporate much of the old territory of both the First and Second, and more as well. In 1002 IC (5524 CE), the Third Imperium defeated the Solomani Confederation and occupied Terra itself. However, the Third Imperium has also faced obstacles. The Aslan to the galactic south-west and Vargr to the galactic north have cordial relations, but the potential for conflict is there. The more alien Hivers to the galactic east are seen as a distant, but potential, adversary.

The most potent foe of the Imperium is the Zhodani Consulate. The Zhodani are the third major branch of Humaniti, having established a significant but slow-to-expand galactic power to the galactic north-west of the Imperium. The Zhodani are the most “alien” branch of Humaniti, possessing psi-powers that have been outlawed in the Imperium and are poorly understood. The Zhodani and Imperium have fought four frontier wars in the area known as the Spinward Marches, where a salient of Imperial space borders the Zhodani and several independent powers, with the Aslan not that far away either.

The traditional “starting year” for Traveller campaigns is 1105 Imperial Calendar, 5627 CE by our standards. The various editions of the game have carried events beyond this, incorporating a Fifth Frontier War, and a partial collapse of the Imperium. 


Setting

See Traveller Map and Traveller Wiki. Also see Seth Skorkowsky's peerless YouTube explanation for Traveller rules and reviews of Traveller adventure modules.

Originally Traveller had no official or default setting (like early D&D), with Referees encouraged to create their own space opera universe but, drawing on their older board game Imperium for inspiration, GDW established an official, optional setting for the game. This is Charted Space, a region of the galaxy some 512 parsecs (1,669 light years) “wide” and 320 parsecs (1,043 light years) “tall.” Of course, the rest of the galaxy, some 30,660 parsecs wide, extends far beyond that, with occasional, isolated colonies to be found, and some evidence of other major species and powers located in remote areas of space.

Charted Space contains multiple species, tens of thousands of settled worlds and millions of stars, though the majority are red dwarf stars not of particular interest. Habitable worlds or worlds suitable for terraforming are much rarer. Worlds are rated on a tech level extending from TL0 – equal to Terra’s Neolithic time period – to TL15, the level of the most advanced worlds in the Third Imperium with access to advanced weapons, genetic engineering, age-retarding drugs and sophisticated robots and computer systems. Higher levels have been postulated, with moving planets possible at TL24, building ringworlds at TL25 and Dyson Spheres at TL29. At TL31 the creation of pocket dimensions may be possible. The Ancients are believed to have been in excess of TL25 at the time of their disappearance/destruction in the Last War.

Interstellar travel is accomplished by the Jump Drive, which allows ships to transit from one star system to another with rapidity. The standard and cheapest Jump Drive allows ships to jump one parsec (3.26 light years) in a week, with the most powerful and expensive allowing a ship to jump six parsecs (19.57 light years) in the same time period. Interstellar commerce, diplomacy and military activity is reliant on the operation of Jump technology. Although FTL travel is possible, FTL communications are not; information has to be physically carried on ships and propagates through couriers.

The major sophonts (sentient species) of Charted Space are as follows:


Aslan

The Aslan originate on Kusyu in the Dark Nebula Sector. They are a bipedal species loosely resembling Terran lions. They are (mostly) loyal, honourable and divided into clans. The Aslan have multiple polities, the largest and most powerful of which is the Aslan Hierate. Smaller Aslan colony-states abut the Third Imperium in the Trojan Reach Sector.


Droyne

The Droyne originate on Eskayloyt (location unknown). They are a race of hexapodal flyers with psi abilities and advanced technology. The Droyne disdain large-scale organisation and have no empire or large polity, just individual colony worlds and living alongside other species across a vast area of space, centred on the Spinward Marches. The Droyne history extends back almost 75,000 years, more than any other species. A widespread theory, based on extant Ancient ruins and the presumed physiology of the creatures that built them, is that the Droyne are related to the Ancients, though the Droyne themselves do not seem to know if this is true or possible.

 

Hivers

The Hivers originate on Guaran (Ricenden Sector) to the galactic south-east of the Imperium. They are a non-humanoid species and possess a six-fold radial symmetry. They are the most “alien” species in Charted Space. They are altruistic and avoid war and conflict where possible, though will defend themselves and their area of control, the large Hive Federation. The Hivers operate through sophisticated covert manipulation.

 

K’kree

The K’kree originate on Kirur (Ruupiin Sector) and resemble the mythological Terran species known as centaurs. They are militant and aggressive herbivores, and have a serious dislike of meat-eating species. Their empire, the Two Thousand Worlds, is located to the galactic east of the Imperium, with a number of buffer client states between.

 

Vargr

The Vargr of Lair (Provence Sector) are a bipedal canine-like species who control the Vargr Extents, a vast area to the galactic north of the Imperium, made up of a bewildering number and variety of sub-polities. The Vargr are broadly friendly towards Humaniti (though plenty of exceptions and state-level suspicions abound), and they are one of the more common non-human races found in human space and as crew on human ships. It is widely postulated that the Vargr are descended from Terran canine stock transplanted to the

 

Vilani

The Vilani of Vland (Vland Sector) are the dominant and most numerous sub-species of Humaniti. Originating on the planet Vland (after transplantation from Terra by the Ancients), they founded and ruled the First Imperium before being defeated by the Solomani. They remained the most numerous species of Humaniti through the Second Imperium, Long Night and Third Imperium. They are physically indistinguishable from Solomani but have a different psychological outlook, with more of an ability to see the long-term, big picture. They tend to be more cautious than Solomani, except in times of great need.

 

Solomani

The Solomani of Terra (Sol Sector) are the descendants of the humans of Terra (Earth). They claim to be the ancestral origin point of all humans (a claim taken with varying degrees of seriousness) and the “original” humans, despite the Vilani predating them into space by thousands of years. The Solomani are physically indistinguishable to Vilani, but are hotter-tempered, quicker to act (even if against their long-term interest) and faster to develop technology. Solomani descendants can be found across the Third Imperium and the Solomani Confederation to its galactic south, the second-largest human polity outside the Imperium. The Third Imperium conquered Terra in a major border war a century ago, and the Solomani Confederation hungers to reclaim it.

 

Zhodani

The Zhodani of Zhdant (Zhodane Sector) are a human subspecies transplanted to their planet by the Ancients. They have developed significant psi-powers, which the other human polities have either outlawed or monitor aggressively. The Zhodani polity, the Zhodane Consulate, is the largest non-Imperial power and is located to the galactic north-west of the Imperium. The two powers share a disputed border in the Spinward Marches sector and have fought four significant frontier wars in the region. The Zhodani are, arguably, the most peaceful, harmonious and stable sub-species of Humaniti, having had a stable polity in the time that multiple Vilani and Solomani powers have risen and fallen. Their critics claim this is because individuality and competition are bred out of the species, a claim the Zhodani regard as xenophobic. The Zhodani are currently engaged in a long-term exploration of the Galactic Core, having established a line of waystations extending about 80% of the way to the edge of the Core and with multiple scientific and exploration teams currently investigating the Yejiariebr Sector (6,939 parsecs, or 22,631 light years, from Charted Space). The Zhodani have not been forthcoming on why they have undertaken this ambitious endeavour, or what they have discovered.


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