| Product Name |
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For centuries, the merchant princes of the Lyran Commonwealth survived as much through economic might as by the cloak and dagger, steadily growing in strength until their influence could be felt across the Inner Sphere. Now emerging from the ruins of a short-lived alliance and a bloody civil war, a bold new identity has taken hold of the people united under the mighty fist of House Steiner. ... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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Wings of the Eagle!
Wracked for centuries by civil wars, House Marik's Free Worlds League has endured by virtue of the tenacity and diversity of its people. Now, led by the strongest Captain-General in half a millennium, House Marik has stretched its wings, pushing the shadows of its influence across the Inner Sphere. Both by its revitalzied military and... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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For a year, the winds of chaos have scoured the Inner Sphere, as terrorism and weapons of mass destruction are used on a scale not seen since the
A Foul Wind Blows!
First Succession War. Confusion reigns, and each faction finds itself isolated amid its own turmoil. All seems lost. Yet as a new decade dawns, glimpses of the greater whole begin to appear through... [click here for more] |
Catalyst Game Labs |
$24.99 $18.00
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Now It Can Be Told!
ComStar has controlled the Inner Sphere's interstellar communications and other technology for centuries. ComStar single-handedly stopped the Clan invasion, then failed in its attempt to take control of the Inner Sphere. Now the organization responsible for keeping the Inner Sphere together has split into two factions.
... [click here for more] |
Catalyst Game Labs |
$15.00 $10.00
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1ST SOMERSET STRIKERS: The BattleTech Animated Series Sourcebook (PDF)[FAS1687p]
Print Price (1995): $18.00File Size: 35 MB
They came from beyond the Periphery, attacking dozens of planets in a massive blitzkrieg more devastating than any in the history of warfare. World after world fell before their technologically superior BattleMechs and armored infantry. Nothing in the Inner... [click here for more] |
Catalyst Game Labs |
$18.00 $9.00
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The Early Years of the Jihad
November 3067 saw the culmination of work two centuries in the making, work begun by Primus Conrad Toyama of ComStar, successor to Jerome Blake and the man responsible for single-handedly turning ComStar into a pseudo-religious organization with a vision: to lead mankind to the light…by any means necessary.
When the Star League self-des... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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Notable Warriors
Heroes, patriots, soldiers, freedom fighters. The universe is full of them, and every realm and military force—from the mightiest Successor State to the humblest mercenary band—has its share. Feared across the Inner Sphere, the enigmatic Bounty Hunter and his lance of MechWarriors prowl the battlefields of the universe for the most dangerous... [click here for more] |
Catalyst Game Labs |
$5.99
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Humanity’s Golden Age

Before the treachery of Stefan Amaris, Kerensky’s Exodus, and the Succession Wars, the realms of the Inner Sphere were united under the banner of the Star League. As the pinnacle of culture and technology, the six Great Houses and four territorial states of the League reaped the benefits of universal peace and justice, the fruits of ... [click here for more] |
Catalyst Game Labs |
$29.99 $18.00
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As Darkness Descends…
In 3132, eighty percent of the hyperpulse generators in the Inner Sphere shut down, silencing virtually all interstellar communications between the thousands of worlds humankind called home. Remembering the horrors of the Jihad that ended just half a century before, paranoid citizens and opportunistic leaders across the Sphere instinctively girded f... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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Critical Errors
For as long as there have been wars, mankind has been on a quest for ever more efficient means to kill. Yet even as the technologies improve, there are always missteps, unexpected—and, sometimes, unexplained—flaws in engineering that can transform a promising new weapon into a setback costing billions of credits, years of progress, and perhaps even a f... [click here for more] |
Catalyst Game Labs |
$4.95
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Peripheral Developments
For many of the major realms in the Periphery, the Jihad was just as devastating as it was to the Great Houses and Clans of the Inner Sphere. But as the tide began to turn against the Word of Blake, the fanatics withdrew from most of these fringe worlds first, leaving behind technology and techniques that further fanned the flames of technological recovery... [click here for more] |
Catalyst Game Labs |
$4.95
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Heavy Metal Black Ops
For as long as military forces and governments have employed them, special forces and other covert operations units have employed the latest, and most advanced technologies available to give them an edge in combat. The fires of the Jihad have been no exception. Employing a mix of the most radical technologies in stealth, electronics, and advanced w... [click here for more] |
Catalyst Game Labs |
$4.95
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Ancient Wonders
Before there was even a Star League, the technologies taken for granted in the thirty-first century went through their awkward paces in a universe newly opened to humankind. In an age when the BattleMech was nearly unknown, when the DropShip was a new concept, and when tanks and fighters dominated the battle zones, the technology of the day was primitive by modern... [click here for more] |
Catalyst Game Labs |
$4.95
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After the fall of the first Star League and the exodus of the SLDF, the five Great Houses of the Inner Sphere unleashed their armies against one another with a vengeance, each claiming to be the rightful heirs to the Cameron legacy and the First Lordship of the Inner Sphere. Their scorched earth tactics left entire worlds barren, and destroyed many of the precious technologies taken for granted... [click here for more] |
Catalyst Game Labs |
$4.95
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Adventures beyond the frontier!
A hundred years ago, Primus Adrienne Sims of ComStar suffered nightmare visions of a dire threat to ComStar and the Successor States: hordes of strange monsters from beyond known space, invading the Inner Sphere to destroy it. These visions so troubled the Primus that she created the Explorer Corps, a division of ComStar dedicated to probing the Deep Periphery, t... [click here for more] |
Catalyst Game Labs |
$15.00 $8.00
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Brother vs. Sister
For five long years, two of the most powerful Great Houses have been in the grip of a bloody civil war. Raging across eight hundred planets and a thousand light years, it has affected countless billions. Now, as the dust settles, the full story can be revealed.
The FedCom Civil War sourcebook details the action involving every l... [click here for more] |
Catalyst Game Labs |
$24.99 $13.00
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Enter the Republic
The year is 3085. In the wake of the Jihad, a new realm—the Republic of the Sphere—has been born. Drawing war-weary masses from all over the Inner Sphere, the Republic stands for unity and security, in the hopes that never again will its worlds suffer from centuries of relentless war. But even though the common threat has finally passed, f... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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COMSTAR GUARDS THE ENTIREKNOWLEDGE OF MANKIND.
KNOWLEDGE IS POWER.POWER CORRUPTS.
To maintain their monopoly on the flow of information and technology across the vast reaches of space, the powerful organization known as ComStar waged a hidden war of assassination, sabotage and terrori... [click here for more] |
Catalyst Game Labs |
$20.00 $10.00
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THE GRANDEST ARMY
It was the middle of the twenty-eighth century. Two hundred years after the Age of War, all of mankind now lived, united, under one flag: the Star League. Defending and policing this vast realm nearly 3,000 worlds strong was the largest army ever known to humanity: the Star League Defense Force. Harnessing the largest fleet of WarShips ever assembled, the most a... [click here for more] |
Catalyst Game Labs |
$39.99 $25.00
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Brighest Blade
House Davion has dominated the Inner Sphere politics, especially the military-industrial complex, for centuries. A drive for technological innovation that reaches both the military and civilian sectors; a society built around the freedoms of the every-day man; a feudal system that empowers the First Prince of House Davion like no other: the swords of the Federated Suns have slic... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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THE FRONTIERS OF KNOWN SPACE
The peoples of the Inner Sphere often consider themselves the epitome of technology and culture and relegate the denizens of the frontiers of known space to second-class citizenry, or worse. And yet it took the combined armies of the Inner Sphere more than twenty years to subjugate them during the forming of the first Star League half millennia ago.... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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Rendered mostly barren through centuries of warfare, the world of Antallos is dotted with death zones, long-lost treasure troves of Star League technology, and city-states that once vied for rulership. The rise of Vance Rezak and his Band of the Damned stabilized the ancient pirate haven, creating a power base of terror along the Combine and Alliance borders.
Then came Clan Snow Raven. ... [click here for more] |
Catalyst Game Labs |
$4.95
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Never really considered a major blip in the newly-created Second Star Leagues’ plan, Luzerne—through simple chance—became listed in the history books as one of the longest and desperate campaigns during Operation BULLDOG. The former Combine system became the defining moment for Clan Smoke Jaguar on the eve of their demise. Battered and beaten, the Clan fought tooth and nail to... [click here for more] |
Catalyst Game Labs |
$4.95
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A lifeless planet with a bloody past, New Dallas was a mere footnote in history until the Devil’s Brigade mercenaries rediscovered an ancient artifact in the early days of the Jihad. Their discovery revealed a secret history, long buried and believed lost.
Home to the vast Hegemony Central Intelligence Directorate, New Dallas has been a lostech prospector's dream. The system was a shining... [click here for more] |
Catalyst Game Labs |
$4.95
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What Lies Beyond…
Nearly fifteen years have passed since the end of the Word of Blake Jihad and the rise of the Republic of the Sphere. Yet even as the Inner Sphere adjusts to a new sense of normalcy, questions remain about whether the Blakist threat is gone for good or merely hibernating.
Once a disorganized collective of hobbyists and academics backed by the idle... [click here for more] |
Catalyst Game Labs |
$24.99 $18.00
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INVADERS FROM BEYOND
They came from beyond the Periphery: invaders with advanced weapons, strange tactics, and stranger customs. Arriving in 3049, they attacked world after world with unrelenting fury. By 3052, they had conquered more than 200 planets, and their target was clear. They sought to capture the cradle of humanity: Terra. If not for the battle of Tukayyid and the res... [click here for more] |
Catalyst Game Labs |
$18.00 $9.00
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On October 25, 3068, the Word of Blake flooded the Inner Sphere HPG networks with "White Noise", a stream of gibberish and propaganda that made normal communications virtually impossible. Amid the noise, stunning secrets were revealed: Anastasius Focht was once Frederick Steiner; ComStar Primus Sharilar Mori was a Kurita spy.
Yet along with the secrets revealed and the spreadi... [click here for more] |
Catalyst Game Labs |
$24.99 $18.00
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Centuries-old Secrets Revealed!
Chandrasekhar Kurita has spent his life hunting for ancient secrets. Almost as soon as the Word of Blake formed in 3052, “Uncle Chandy” put his vast network of spies and his massive wealth toward digging behind their façade and now, two decades later, Uncle Chandy has discovered more than he ever thought possible. Now he's using that knowledge... [click here for more] |
Catalyst Game Labs |
$24.99 $18.00
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The Beginning of the End
In 2766, decades of careful planning and manipulation finally culminated when Stefan Amaris wiped out the entire Cameron dynasty in a bloody coup. Rallying the might of the SLDF behind him, General Aleksandr Kerensky immediately attacked Amaris’ Rim Worlds Republic, before turning his full fury against the Usurper’s “Empire,&rd... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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The End Times
In 2777—after ten years of savage fighting in the Periphery—General Alaksandr Kerensky and the Star League Defense Force launched the final phase in the war against Stefan Amaris, the Usurper of the Star League. For two more years, the greatest army ever forged by humankind would wage a planetby-planet war for the heart of the League itself, ultimat... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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Rulers of the Universe!
Who is the Director of the Internal Security Force? Planetary ruler of Regulus? Current Marshal of the Armies? Merchant Factor of Clan Diamond Shark?
As one of the most powerful interstellar corporations in the Inner Sphere—with satellite plants in every House—such questions are imperative for StarCorps Industries. In the tumultuous tim... [click here for more] |
Catalyst Game Labs |
$44.99 $25.00
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No Cash, No Galaxy!
Running a merc unit is a serious business first, last and always. Not just any group of gung-ho 'Mech jocks can survive in the cutthroat world of the mercenary, and any MechWarrior who ignores this fact ends up working for someone else, dispossessed, or dead. Running a successful merc unit takes know-how, skill, careful planning, and sometimes a little luck. I... [click here for more] |
Catalyst Game Labs |
$15.00 $7.00
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STATE OF THE INDUSTRY…
Since the coming of the Clans, the military, industrial, and command complexes of the Inner Sphere have raced against the invaders—and each other—to out-produce one another in battle-worthy manpower and materiel. Factories that were smashed in the Succession Wars were reborn and revitalized, churning out ever more cutting-edge equipment, ... [click here for more] |
Catalyst Game Labs |
$4.95
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STATE OF THE INDUSTRY
Since the coming of the Clans, the military, industrial, and command complexes of the Inner Sphere have raced against the invaders—and each other—to out-produce one another in battle-worthy manpower and materiel. Factories that were smashed in the Succession Wars were reborn and revitalized, churning out ever more cutting-edge equipment, while ac... [click here for more] |
Catalyst Game Labs |
$4.95
|
STATE OF THE INDUSTRY…
Since the coming of the Clans, the military, industrial, and command complexes of the Inner Sphere have raced against the invaders—and each other—to out-produce one another in battle-worthy manpower and materiel. Factories that were smashed in the Succession Wars were reborn and revitalized, churning out ever more cutting-edge equipment, ... [click here for more] |
Catalyst Game Labs |
$4.95
|
STATE OF THE INDUSTRY…
Since the coming of the Clans, the military, industrial, and command complexes of the Inner Sphere have raced against the invaders—and each other—to out-produce one another in battle-worthy manpower and materiel. Factories that were smashed in the Succession Wars were reborn and revitalized, churning out ever more cutting-edge equipment, ... [click here for more] |
Catalyst Game Labs |
$4.95
|
In the savage FedCom Civil War that rocked the Lyran Alliance and the Federated Commonwealth for the past five years, new machines of war have been rapidly tested and put in the field to help turn the tide of battle in each faction’s favor.The Clans and other House have also been busy, as the internal and external conflicts drive the rapid deployment of new military hardware.
B... [click here for more] |
Catalyst Game Labs |
$9.95
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Armies of BattleMechs stride toward their objectives, razing cities with their missiles, lasers, PPCs, and autocannons on the way. The languages of battle is blood, and the cries of the homeless echo in the troubled sleep of every MechWarrior.
Torn from the pages of the Fourth Succession War, this scenario pack contains battles from Bavion/Liao front, the Steiner/Kurita front, as well a... [click here for more] |
Catalyst Game Labs |
$20.00 $10.00
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The Star Systems on the outskirts of the Inner Sphere make up the area known as the Periphery. For hundreds of years, countless kingdoms and alliances have struggled against each other for survival in the far reaches of known space. Now, in the upheaval ravaging the Inner Sphere, these tiny realms may be the key to changing the balance of power among the Success... [click here for more] |
Catalyst Game Labs |
$18.00 $9.00
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Take Command!
The Fox's Teeth
McKinnon's Company of House Davion's Seventh Crucis Lancers, the detached "Fox's Teeth" have been an independent raiding force for centuries, their lightning hit-and-run tactics making them respected and feared.
Sorenson's Sabres
A detached command originally from the legendary Fifth Sword of Light, Sor... [click here for more] |
Catalyst Game Labs |
$15.00
|
Military Hardware Update

In the savage FedCom Civil War that rocked the Lyran Alliance and the Federated Commonwealth for the past five years, new machines of war have been rapidly tested and put in the field to help turn the tide of battle in each faction’s favor. The Clans and other Houses have also been busy, as the internal and external conflicts drive the ... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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Technological Renaissance
Over two hundred and fifty years ago, General Aleksandr Kerensky departed human-occupied space, taking three-quarters of the Star League Defense Force with him. They returned in 3050 as the Clans: a society dedicated to the highest warrior ideals and bent on conquering the Inner Sphere. With their OmniMechs and superior technology, they proved almost uns... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
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The Changing Face of Battle
In 3055, a new breed of Inner Sphere BattleMech started rolling off assembling lines—’Mechs specifically designed to counter the Clan invasion—at the same time that secondline Clan ’Mechs began to appear. By 3067 those design have become a staple of the modern battlefield, giving rise to notable MechWarriors and new variants, wh... [click here for more] |
Catalyst Game Labs |
$29.99 $22.00
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UNSUNG WORKHORSES
MechWarriors receive all the glory; aerospace fighters are a close second; vehicles are considered the workhorses of any military; infantry are even given their day in the sun in the minds of the common citizen. But no battle could be waged, nor won, without the mammoth apparatus of support vehicles that feed the war machine of the Great Houses. From cargo truck... [click here for more] |
Catalyst Game Labs |
$22.00
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A High Price to Pay!
For years, the bitter rivalry between the warriors of the Wolf Clan and the Jade Falcons simmered. Then in June of 3057, growing political tensions among the fearsome invaders erupted in a bloody war of attrition. From the mountains of Colmar to the icy wasteland of Morges, the armies of these ancient enemies clashed in a dramatic duel to the death.
<>... [click here for more] |
Catalyst Game Labs |
$10.00 $5.00
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The Wars of Reaving are past. The Homeworld-sweeping wars have irrevocably changed the survivors. Four Clans look to rebuild their shattered society and prepare for their possible return to the Inner Sphere. Changes in political views, the tools of war, and tactical outlooks are discussed, as well as distant threats both past and future.
The Wars of Reaving Supplemental also in... [click here for more] |
Catalyst Game Labs |
$14.99
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Taiw...St. Ives FreeIn 3226, revolutionaries have freed Taiw...St. Ives from the oppression of the Third League. But are the people of Taiw...St. Ives really free? Or are they just trading on oppressor for another? With the Third League unlikely to stand for treason, Taiw...St. Ives will be the center of the universe for a brief period.
Turning Points: Taiw...St. Ives fles... [click here for more] |
Catalyst Game Labs |
FREE
 |
A Universe Ablaze
In late 3067, the Word of Blake unleashed its Jihad, fanning the flames of violence and spreading it across the Inner Sphere. Three mercenary commands struggled to find their footing and profit from the all-encompassing warfare. As they navigated their way through the conflicts erupting on hundreds of worlds, these mercenaries grew in power, prestige, and charac... [click here for more] |
Catalyst Game Labs |
$29.99 $18.00
|
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