| Product Name |
Publisher |
Price |
The Kewran Wolfhounds
As part of the Twenty-Fifth Arcturan Guard, Hauptmann Michael Guillaume’s Wolfhounds Company faces its first trial by fire on the raging battlefields of Great X.
The Pursuing Peregrines
Forged in the dawning years of the Jihad, Star Captain Ingried’s Binary of battle-hardened veterans seeks its own glory in his Clan’s... [click here for more] |
Catalyst Game Labs |
$9.99
 |
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
|
Take Command!
Black Widow Company
A Wolf’s Dragoon independent command, the Black Widow Company is one of the most famous units of all time: they are reborn from the fires of Blakist treachery to prove to the entire Inner Sphere that the Dragoons are still to be respected…and feared.
Opacus Venatori
A melding of the most elite wa... [click here for more] |
Catalyst Game Labs |
$24.99 $18.00
|
Forces in System
Liftoff planet and conquer an entire solar system! Deploy kilometer-long WarShips as escorts, first for JumpShips bridging the gulf between stars, then for detaching DropShips that burn in system to drop troops onto any battlefield. New aerospace tactics will allow you to gain air supremacy to match your grasp of ground tactics. Yet the war for a star system is more than a sin... [click here for more] |
Catalyst Game Labs |
$49.99 $10.00
|
Thirty-one hours ago your lance commander ordered you into this position. Twenty-eight hours ago you finished draping the thermal camo tarps over your 'Mech. And for the past 27 hours you've been sitting in your cockpit, systems on minimum power, waiting in the dark - waiting for the Clans.
Suddenly your thermal sensors detect multiple 'Mechs moving 100 meters directly ahead. Your finge... [click here for more] |
Catalyst Game Labs |
$12.00 $6.00
|
Forces on world
Take your warfare to a whole new level of excitement! Deploy under cover of exotic weather and severe planetary conditions. Surprise your enemy with your mastery of new battlefield tactics—from artillery to command-level comms to minefields—as well as cutting-edge, prototype technologies! A daring commander can take advantage of any or all of these….if he&rsq... [click here for more] |
Catalyst Game Labs |
$49.99 $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
|
THE SUCCESSION WARSIn 2781 the Star League was officially abandoned, ending a two hundred year-long Golden Age. In 2785 the Successor Lords launched a series of massive conflicts that would rage for centuries and become known as The Succession Wars. Such endless warfare has taken its toll and by the Fourth Succession War of 3028, the technology employed on the battlefields is a mere shadow ... [click here for more] |
Catalyst Game Labs |
$29.99 $20.00
|
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
|
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
|
Wars Past. Wars Present.
In the 3050s, the discoveries of long-buried Star League records led to a plethora of new cutting-edge BattleMech and vehicle designs by the end of that decade, resurrected from the blueprints of design firms centuries old and thought lost to antiquity. Ten years later, these designs have moved from novelty to workhorse, as the Inner Sphere once more find... [click here for more] |
Catalyst Game Labs |
$22.00
|
The Great Houses of the Inner Sphere have created a new Star League to end the Clan threat, launching an all-out attack against the most powerful Clan, Smoke Jaguar. During this campaign, the Inner Sphere was assaulted by a new and deadly creation: the ProtoMech. Swift and deadly, these half-size ‘Mechs proved agile and difficult to destroy. Now, other Clans will quickly field this potent... [click here for more] |
Catalyst Game Labs |
$29.99 $18.00
|
In November 3067 the Second Star League disbanded. The Word of Blake—a splinter group of ComStar—had been on the verge of joining in fulfillment of ancient prophecies. Denied their dream, the Blakists sought to preserve the Star League against the follies of the Houses, but its fanaticism manifested this noble goal as the Jihad: a horrific war that has pitted every faction ... [click here for more] |
Catalyst Game Labs |
$39.99 $25.00
|
TECHNICAL READOUT: 3085!In December 3076, Devlin Stone marshaled the nations of the Inner Sphere and began Operation SCOUR. The two-year final push to Terra was the bloodiest fighting seen in centuries. In the end, Terra had been freed with the Word of Blake scattered to the darkest corners of the universe. Stepping into that vacuum, Stone forged a new "Terran Hegemony" in The Rep... [click here for more] |
Catalyst Game Labs |
$39.99 $25.00
|
Technical Addendum
Even the most thorough field reports can miss a detail or two. During the eventful times surrounding the end of the Word of Blake Jihad and the rise of the Republic of the Sphere, military factories across the Inner Sphere scrambled to rearm the various realms mauled by a decade of bloody conflict. In the shuffle, a few new developments emerged, overlooked in ... [click here for more] |
Catalyst Game Labs |
$14.99
|
The great experiment that was the Republic of the Sphere has failed. Withdrawn behind the Fortress walls, the once-great power has become a silent, opaque remnant of its former glory. Without its influence, old hatreds have risen anew. As war once more rages across the Inner Sphere, new equipment strides across ancient battlefields. Technology, once stagnated by... [click here for more] |
Catalyst Game Labs |
$14.99
|
The great experiment that was the Republic of the Sphere has failed. Withdrawn behind the Fortress walls, the once-great power has become a silent, opaque remnant of its former glory. Without its influence, old hatreds have risen anew. As war once more rages across the Inner Sphere, new equipment strides across ancient battlefields. Technology, once stagnated by... [click here for more] |
Catalyst Game Labs |
$14.99
|
The March of Progress
The Jihad is over. A new Republic has been born. In the wake of one of humanity’s greatest conflicts, the Inner Sphere, Periphery and Clans must adapt to new political and industrial realities—a new balance of power. But changes on the map are only the beginning. The Word of Blake’s war has scattered a new wave of technological progress acr... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
|
Note! This edition of Technical Readout: Vehicle Annex has been superceded by a revised edition, found here. We decided to leave this version active for the completists out there, but do be aware of the new version. Thanks!
MechWarriors receive all the glory; aerospace fighter pilots a close second; vehicles are considered the workhorses of any military; infantry are even given t... [click here for more] |
Catalyst Game Labs |
$29.99 $22.00
|
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
|
THE BLACK THORNS (PDF)[FAS1686p]
Print Price (1994): $10.00File Size: 26.7 MB
For Adept Jeremiah Rose, ComStar’s stunning victory on Tukayyid was a crushing personal defeat. After losing his ‘Mech and his command to the Clans, Rose resigned his commission with the Com Guards and returned home to seek a place with his family among the famed Northwind Highlanders. When... [click here for more] |
Catalyst Game Labs |
$10.00 $5.00
|
A CLAN MUST DIEFor seven long years, an uneasy truce has kept the Clan war machine from continuing its relentless march into the Inner Sphere-but young Clan Crusaders hungry for war now push for an end to the Truce of Tukayyid, and a renewal of the invasion. Building on the momentum of their victory over the Jade Falcons on Coventry, the Great House leaders create a Star League Constitution, re... [click here for more] |
Catalyst Game Labs |
$12.00 $6.00
|
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
|
A BROTHERHOOD DIVIDED A PLANET IN FLAMES
BETRAYED!
"Since the Battle of Tukayyid, ComStar has been torn asunder. The misguided Blakist still adhere to the old ways that shrouded technology in a veil of mysticism for hundreds of years. While the Inner Sphere was caught up in the J... [click here for more] |
Catalyst Game Labs |
$12.00 $6.00
|
The Clans
Descendants of the Star League Defense Force, they returned to the Inner Sphere in 3050 with violence and honor. Stalled by the combined might of the Inner Sphere, the Clans have been waiting for the chance to strike for Terra once more. But fractures within Nicholas Kerensky’s Great Society have widened. A new enemy threatens to destroy the Clans once and for all... [click here for more] |
Catalyst Game Labs |
$34.99 $25.00
|
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
|
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
|
Total Warfare Style Record Sheets: 3058 Upgrade Unabridged, Clan ‘Mechs, Star League Units and Battle Armor (PDF)[BC-212p] $9.95
File Size: 61 MB
In the 3050s, the discoveries of long-buried Star League records led to a plethora of new cutting-edge BattleMech and combat vehicles designs by the end of that decade, resurrected from the blueprints of design firms centu... [click here for more] |
Catalyst Game Labs |
$9.95
|
Total Warfare Style Record Sheets: 3058 Upgrade Unabridged, Inner Sphere ‘Mechs and Vehicles (PDF)[BC-203Bp] $9.95
File Size: 32 MB
In the 3050s, the discoveries of long-buried Star League records led to a plethora of new cutting-edge BattleMech and combat vehicles designs by the end of that decade, resurrected from the blueprints of design firms centuries old. At t... [click here for more] |
Catalyst Game Labs |
$9.95
|
TWILIGHT OF THE CLANS (PDF)[FAS1710p]
Print Price (1998): $12.00File Size: 16.3 MB
THE STAR LEAGUE STRIKES BACK!
The brace warriors of Task Force Serpent secretly made the thousand-light-year journey to the Smoke Jaguar home world of Huntress to eliminate the last of the Clan's holdings. What they find there will test the limits of their skills, their endurance and their... [click here for more] |
Catalyst Game Labs |
$12.00 $6.00
|
When the armies of the Draconis Combine killed his parents, Galen Cox swore vengeance. Now an elite MechWarrior with the Armed Forces of the Federated Commonwealth, Galen will have a chance to exact his justice when the Combine raids the planet Ryde with a BattleMech battalion. As two armies clash on this snow-and-ash covered world, two men will be forced to examine exactly why they're fighting... [click here for more] |
Catalyst Game Labs |
$2.99
|
BattleTech Manual, BattleTech Compenium, BattleTech Compendium: The Rules of Warfare, BattleTech Master Rules, BattleTech Master Rules [Revised Edition] (PDF)[FAS1626p/FAS1640p/FAS1691p/FAS1707p/FP35000p] Print Price (BattleTech Manual: 1987): $12.00(BattleTech Manual: 1990): $15.00(BattleTech Manual: The Rules of Warfare: 1994): $18.00(Battle... [click here for more] |
Catalyst Game Labs |
$12.00
|
COMBAT, HONOR, BETRAYAL, DEATH
A man scrabbles to find the BattleMech that will make his fortune. A deadly tank gunner ponders the cost of his calling. An iconic battalion fights its last battle. And in the Deep Periphery, desperate stirrings of horrible weapons breed rumor and betrayal.
Sixteen stories of combat, honor, betrayal and death fill the pages of Weapons Fre... [click here for more] |
Catalyst Game Labs |
$14.95 $8.99
|
Cosmic Patrol Blank Dossiers
Get these free blank Patrolman Dossiers so you can stat up your own intrepid Patrolman — and the cosmic threats they'll face during missions in deep black!
And don't forget to check out the Cosmic Patrol Core Rulebook! ... [click here for more] |
Catalyst Game Labs |
FREE
|
Rockets and Rayguns!Cosmic Patrol is a roleplaying game set in a retro future based on the Golden Age of science fiction. If you’ve ever seen a cover from a classic 1930s-1960s sci-fi pulp magazine, you’ve got the idea. You and your friends form the crew of a Cosmic Patrol rocketship and blast off for action and adventure in the wild galaxy.In Cosmic Patro... [click here for more] |
Catalyst Game Labs |
$24.99 $4.99
|
LISTEN UP, CADETS!
You are embarking on the adventure of a lifetime! The unlimited cosmos stands before you, full of sights and experiences as wild as your imagination. And that's the key: imagination. Cosmic Patrol is about creating a story and Into the Cosmosgives you more alien races, characters, missions and rocketships to base your galactic adventures on!
Into the... [click here for more] |
Catalyst Game Labs |
$24.99 $4.99
|
Cosmic Mystery! Galactic War!
Blast off into the dangerous cosmos with The Kahn Protocols, Cosmic Patrol's addition to Free RPG Day 2012. This rules-light system will have you fighting lizardmen and saving the universe in no time at all! Are you ready for the challenge? ... [click here for more] |
Catalyst Game Labs |
FREE
|
A Guide To Tactics
So you’ve read the rules of Leviathans and played a game or three…but how do you actually improve your play? A Guide To Tactics is designed to help players in translating concepts and theories to the tabletop. To make you a better player of the game, knowing that on this turn, you want to swing your battleshi... [click here for more] |
Catalyst Game Labs |
FREE
|
BRITISH PRINTABLE FLEET (PDF)[CAT31680p]
File Size: 3.5 MB
Leviathans is a steampunk game that simulates combat between warships that have taken to the air in an alternate history 1910. The king leviathans, battleships, are the largest vessels. Maneuvering in support are light cruisers, destroyers and other vessels. Will you captain your fleet for king and country, expanding you... [click here for more] |
Catalyst Game Labs |
$2.45
|
As any air fleet sailor can tell you, the skies aren’t always clear. Sky battles against enemy Leviathans is bad enough, but how much worse can it get when the weather gets in the way? Find out with this free Leviathans Captain’s Manual excerpt! The Clouds Addendum gives you the rules for clouds during game play as well as templates to cut out and use on the table. ... [click here for more] |
Catalyst Game Labs |
FREE
|
The following open alpha test taps the Leviathans’ community to test the viability of this rules set. The Open Alpha Test will be over at the end of day on October 31st. A “The Channel Campaign: Open Alpha Test” thread has been started at www.monstersinthesky.com. We’ll be watching the thread to see what the community discovers. Enjoy and thanks for your help maki... [click here for more] |
Catalyst Game Labs |
FREE
|
DEVELOPMENT JOURNAL (PDF)[CAT31691p]
File Size: 2 MB
Leviathans is a steampunk game that simulates combat between warships that have taken to the air in an alternate history 1910. The king leviathans, battleships, are the largest vessels. Maneuvering in support are light cruisers, destroyers and other vessels. Will you captain your fleet for king and country, expanding your nati... [click here for more] |
Catalyst Game Labs |
FREE
|
FRENCH PRINTABLE FLEET (PDF)[CAT31681p]
File Size: 4.2 MB
Leviathans is a steampunk game that simulates combat between warships that have taken to the air in an alternate history 1910. The king leviathans, battleships, are the largest vessels. Maneuvering in support are light cruisers, destroyers and other vessels. Will you captain your fleet for king and country, expanding your... [click here for more] |
Catalyst Game Labs |
$2.45
|
LEVIATHANS INTRODUCTION (PDF)[CAT31690p]
File Size: 5.1 MB
Leviathans is a steampunk game that simulates combat between warships that have taken to the air in an alternate history 1910. The king leviathans, battleships, are the largest vessels. Maneuvering in support are light cruisers, destroyers and other vessels. Will you captain your fleet for king and country, expanding you... [click here for more] |
Catalyst Game Labs |
FREE
|
Leviathans is a steampunk game that simulates combat between warships that have taken to the air in an alternate history 1910. The king leviathans, battleships, are the largest vessels. Maneuvering in support are light cruisers, destroyers and other vessels. Will you captain your fleet for king and country, expanding your nation’s power and becoming legend? Or will you fall from the s... [click here for more] |
Catalyst Game Labs |
$1.95
|
James' Fighting Leviathans: Excerpt From 1910 Part Two (PDF)[CAT31601p] $2.45
Leviathans is a steampunk game that simulates combat between warships that have taken to the air in an alternate history 1910. The king leviathans, battleships, are the largest vessels. Maneuvering in support are light cruisers, destroyers and other vessels. Will you captain your fleet for king and country, ex... [click here for more] |
Catalyst Game Labs |
$2.45
|
Leviathans is a steampunk game that simulates combat between warships that have taken to the air in an alternate history 1910. The king leviathans, battleships, are the largest vessels. Maneuvering in support are light cruisers, destroyers and other vessels. Will you captain your fleet for king and country, expanding your nation’s power and becoming legend? Or will you fall from the sk... [click here for more] |
Catalyst Game Labs |
FREE
|
Have you ever played a game and wondered how they generated the point value of a given unit? Or if the system is revealed, felt it didn’t reflect your style of gaming, or you might have done X or Y different? Well now’s your chance to participate in creating a point system for balancing fleets in Leviathans that mirrors what you want to see on your gaming table.Last year Catalyst Ga... [click here for more] |
Catalyst Game Labs |
FREE
|
This open alpha test taps the Leviathans’ community to ensure the best possible point system for balancing game play. This Open Alpha Test will end on May 30th. A “Lieutenant’s Manual: Determining Points Value Alpha Test” thread has been started at the www.monstersinthesky.com forums, under Game Rules Discussion. We’ll be watching the thread to see what the ... [click here for more] |
Catalyst Game Labs |
FREE
|
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