Books like 'Syndicate Wars: First Strike: An Intergalactic Space Opera Adventure'
Readers who enjoyed Syndicate Wars: First Strike: An Intergalactic Space Opera Adventure by George S. Mahaffey Jr. & Justin Sloan also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
sc-fi action / adventure space military, war & conflict litrpg space-opera space-travel first-contact soldiers military
-
Antecedents' Legacy by Daniel Schinhofen
Rated: 4.60 of 5 stars · 10 ratingsZander Greaves grew up in Compton, California— violence, pain, and strife were his life for his first eighteen years. His personality was forged by his childhood, and he was determined to find a way to make his past work for him.As soon as he could, Zander decided to find work as a military contractor. The company he’d badgered for a job eventually hired him, earning him the nickname “Badger... -
Blockade: Age of Expansion - A Kurtherian Gambit Series by Craig Martelle, Michael Anderle
Rated: 4.50 of 5 stars · 10 ratingsHumanity’s greatest export – Justice. Space is a dangerous place, even for the wary, especially for the unprepared. The aliens have no idea. Here comes the Bad Company. When the Bad Company learns of a human colony blockaded by aliens, they take the upgraded War Axe into battle. Once again, nothing is as it seems, but this time, they find a single enemy, evil to its core...Categorized as:
aliens exploration first-contact military soldiers space-opera space-travel action-adventure -
The Colossus by Jay Allan
Rated: 4.50 of 5 stars · 10 ratingsThe Hegemony strikes again… The Confederation and its allies have won their first victory, retaken their capital from he forces of the Hegemony. But the enemy is not beaten, far from it, and they are back, with an unstoppable weapon, a vast superbattleship, a deadly hybrid of imperial and Hegemony technology, called the Colossus...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Elvians by S.H. Jucha
Rated: 4.50 of 5 stars · 10 ratingsTwo crises challenge the Omnians. Alex Racine’s fleet draws a first-contact conflict, which faces the Ollassa, a symbiotic flora race. The Omnian fleet sails from alliance space in an effort to interdict an alien ship that arrives at the Worlds of Lights, the Ollassa system. Soon after arriving, the alien ship deploys machines to scour asteroids for resources in the system’s far belt...Categorized as:
aliens exploration first-contact invasion space-opera space-travel action-adventure adult -
-
SADEs by S.H. Jucha
Rated: 4.50 of 5 stars · 10 ratingsDangerous forces are at work across galactic space that the Omnians are attempting to stabilize, but their resources are severely strained. The SADEs, self-aware digital entities, express to Alex Racine and Renée de Guirnon their desire to know the method of their creation. Alex and Renée, the Omnian co-leaders, want to obtain the knowledge for the SADEs, who are humans’ closest allies...Categorized as:
aliens exploration first-contact invasion military space-opera space-travel action-adventure -
Nua'll by S.H. Jucha
Rated: 4.42 of 5 stars · 12 ratingsThe Omnian expeditionary fleet sails for the faraway place they call “the wall.” The worlds of humankind have consolidated their resources to create a powerful armada to confront the alien federation.During the Omnians’ previous encounter with an alien fleet at the wall, the Nua’ll comm sphere spoke to them in multiple languages...Categorized as:
aliens exploration first-contact invasion military space-opera space-travel action-adventure -
Delphi Diversion by Bob Blanton
Rated: 4.42 of 5 stars · 12 ratingsCatie is on her way back to Earth after having settled the Fazulan slaves when the wormhole her ship is traveling in collapses. They are diverted to another system where big chunks are flying around. They rescue a ship and find themselves in the middle of a series of mysteries...Categorized as:
aliens exploration first-contact military space-opera space-travel action-adventure audiobook -
The Lost Supernova by Vaughn Heppner
Rated: 4.42 of 5 stars · 12 ratingsAndroids used to mingle among us, pretending to be human. Then an alien puppet-master altered their programming. Unknown to us, androids began leaving human society, burning their clothes and peeling off their skin to reveal the chrome-colored bodies underneath. They gathered in a system were a star had exploded, blowing away the atmosphere of a Jupiter-like planet...Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure -
Duchess of Terra by Glynn Stewart
Rated: 4.42 of 5 stars · 26 ratingsWhen Terra knelt to an alien Imperium They guaranteed our safety and our future But now their enemies are coming for us To preserve humanity’s survival and freedom in a hostile galaxy, Annette Bond tied her world to the A!Tol Imperium, taking on the mantle of Duchess of Terra to rule humanity in the Imperium’s name...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Terra and Imperium by Glynn Stewart
Rated: 4.44 of 5 stars · 23 ratingsSecrets both ancient and new. Powers great and greater— With Terra caught in the middle Humanity’s first colony is a project neither the Duchy of Terra nor the A!Tol Imperium can allow to fail. The planet Hope in the Alpha Centauri system has been lavished with resources and attention—but when an unknown alien force attacks the system, all of that is in danger...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Leviathan's Fear: A Military Sci-Fi Series by Craig Martelle
Rated: 4.67 of 5 stars · 6 ratingsTrapped in Ga’ee space, Leviathan runs for its life.And the lives of its crew.Declan Payne and Harry Wesson decide to go on the offensive. They have no choice.They can’t go home. It only delays the inevitable.The Ga’ee march relentlessly into the space of the seven races while turning an inward eye toward the interloper, the ship they call God1...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Sector Force by Jamie Davis, Michael Anderle
Rated: 4.67 of 5 stars · 6 ratingsTardex is safe and the Marshals of Lone Wolf Squadron stand down for some much needed rest and relaxation.Needless to say, the frontiers of the Etheric Federation don’t stay peaceful for long.The growing squadron must battle sinister forces threatening their part of the frontier.A delegation arrives from a neighboring system to request aid from Commander Beau Ward and his pilots...Categorized as:
space-opera military soldiers space-travel exploration aliens invasion first-contact -
Lunar Crisis: Age of Expansion by Tom Dublin, Michael Anderle
Rated: 4.67 of 5 stars · 6 ratingsThe Shadows have been blooded and survived. There was no time for celebration as their next mission came upon them like a gangster in the night. Or missiles out of the blue.Captain Jack Marber, the Yollin Tc’aarlat, and Adina Choudhury take the ICS Fortitude to the moons of Taglen... -
The Terran Privateer by Glynn Stewart
Rated: 4.31 of 5 stars · 16 ratingsEarth is conquered. Sol is lost. One ship is tasked to free them. One Captain to save them all. When an alien armada destroys the United Earth Space Force and takes control of the human homeworld, newly reinstated Captain Annette Bond must take her experimental hyperspace cruiser Tornado into exile as Terra’s only interstellar privateer...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
-
Give No Quarter by Jamie McFarlane
Rated: 4.46 of 5 stars · 21 ratingsAlternate cover for ASIN B01FQ57I7G can be found here: Give No Quarter Branded criminals and on the run from the most powerful corporation in the known universe, Liam Hoffen and the crew of Hotspur have a simple choice to make...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Junkyard Spaceship by Jamie McFarlane
Rated: 4.46 of 5 stars · 21 ratingsWhen aliens threaten his country, one grumpy old vet will take the fight to the stars.Albert Jenkins would like nothing more than to putter around his junkyard, selling parts and working on old cars. When an alien spacecraft is shot down by US Air Defense and crash lands on his newly rebuilt home, he’s dragged back into the fight of his life...Categorized as:
aliens exploration first-contact invasion military space-opera space-travel action-adventure -
Darkness Beyond by Glynn Stewart
Rated: 4.41 of 5 stars · 24 ratingsA newly-founded human colony world burned from orbit A warship squadron of the galaxy’s oldest race ambushed and destroyed An ancient enemy reborn in the darkness beyond the known stars The A!Tol Imperium and their new human subjects have had fifteen years of relative peace. New colonies have been founded, new worlds explored, new ships built...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Prince Peacemaker by Fred Huges
Rated: 4.50 of 5 stars · 8 ratingsHazard survived the war… but can he survive the peace?The empire defeated the Swarm at the Battle of Iris, but it came at a great cost. To win, Hazard King needed to reveal he was Crown Prince Henry and take command of the Imperial Fleet as War Leader. Now their enemy is suing for peace, something many in the empire don’t want to give... -
Prince Commander by Fred Hughes
Rated: 4.50 of 5 stars · 8 ratingsHazard King was ready to get back to a normal life…Well, as normal a life as the next emperor of the Brittania Empire could expect, anyway. Hazard wanted to continue his naval career—to grow and take on positions of higher responsibility—because he knew the Swarm would be back, and he intended to be there to fight them when they returned... -
Shield of Terra by Glynn Stewart
Rated: 4.45 of 5 stars · 20 ratingsThe mother, ruler of an entire world Sent to the heart of an old enemy to build a new peace The daughter, officer of a deadly warship Sent to the darkness to find the new enemy hunting them all A dozen inhabited worlds of the Kanzi Theocracy and the A!Tol Imperium are ash...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Crusade by Glynn Stewart
Rated: 4.40 of 5 stars · 10 ratingsA newborn Alliance, forged to stop the destroyers of worldsA potential ally, with secrets hidden by a thousand liesA long-doomed star, whose ruins hold a vital answer...Categorized as:
aliens exploration first-contact invasion military space-opera space-travel action-adventure -
Galactar by Anthony James
Rated: 4.40 of 5 stars · 10 ratingsFollowing decades of war and the recent catastrophic loss of an entire planet, the Human Planetary Alliance is riven by internal disputes and rivalries. The military’s old guard fights for power against those who see a chance to turn things around.After a series of hard-fought victories, Captain Carl Recker is becoming recognized as a man who gets results - a man who knows how to beat the Daklan...Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure -
Fulcrum Gun by Anthony James
Rated: 4.40 of 5 stars · 10 ratingsLost in hostile space and pursued by the most powerful warship in the known universe, Captain Carl Recker is losing hope and running out of options. His battleship Fulcrum is no match for this enemy and the Meklon aliens who might have helped him are dead, killed by the Galactar’s murderous weaponry.Somehow, Recker must find a way to succeed where the might of an alien empire already failed...Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure -
Laws of Ancidium by Anthony James
Rated: 4.40 of 5 stars · 10 ratingsHaving fought his hardest battle, Captain Carl Recker returns to planet Lustre, bringing the alien battleship Fulcrum with him.Recker is under no illusions that he’ll be offered backdated shore leave, but his feet don’t even touch the ground before trouble shows up. A heavily armed fifty-thousand-metre Meklon interstellar drops out of lightspeed near the planet...Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure -
-
The Dark Invaders by Raymond L. Weil
Rated: 4.40 of 5 stars · 10 ratingsFrom USA Today Best Selling Author Raymond L. Weil comes the second book in the Star Cross series. Over fourteen months have passed since Fleet Admiral Kurt Vickers drove the Profiteers from Earth. Eighty million people died while the planet was being ransacked and its wealth stolen. Now a new and deadlier threat comes from intergalactic space...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
The Long Voyage of the Little Fleet by Mackey Chandler
Rated: 4.40 of 5 stars · 10 ratingsIn the first book of this series "Family Law", Lee's parents and their business partner Gordon found a class A habitable planet. They thought their quest as explorers was over and they'd live a life of ease. But before they could return and register their claim Lee's parents died doing a survey of the surface...Categorized as:
aliens exploration first-contact military space-opera space-travel action-adventure adult -
Refuge by Glynn Stewart
Rated: 4.36 of 5 stars · 11 ratingsA dying world, shattered by a broken machineA desperate flight, their only hope for refugeA robotic race, ally and destroyer alikeThe Republic of Exilium has grown in strength and confidence at the far end of the galaxy from the rest of mankind, sending out scout ships to survey the worlds around them as they try to learn more about the mysterious Construction Matrix AIs...Categorized as:
aliens exploration first-contact invasion military space-opera space-travel action-adventure -
Relics of Eternity by Glynn Stewart
Rated: 4.33 of 5 stars · 12 ratingsThe edge of Imperial expansionFar from Earth and the other homeworldsHere lie the secrets of ancient godsHere…there be dragonsSeeking to escape the shadow of Annette Bond’s success, Captain Morgan Casimir has taken a posting on the far side of the A!Tol Imperium. Here, she hopes to begin a legend for herself that stands apart from her stepmother the Duchess...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Omnia by S.H. Jucha
Rated: 4.33 of 5 stars · 12 ratingsAlex Racine, who led an elite group of humans and SADEs (self-ware digital entities), left the newly discovered planet of Celus-5 under difficult circumstances. Few of the Harakens with Alex thought there was little he could do to bring peace to the embroiled planet...Categorized as:
aliens exploration first-contact invasion military space-opera space-travel action-adventure -
Celus-5 by S.H. Jucha
Rated: 4.33 of 5 stars · 12 ratingsFor the Sojourn’s initial mission, the Haraken explorer ship undertakes the investigation of Celus-5, a world identified by Willem, a SADE (self-aware digital entity), and his team of scientists, as the best prospect for a new colony.What should be a routine survey mission becomes a disaster. To the Harakens’ surprise, they discover, not one, but two alien species engaged in conflict...Categorized as:
aliens exploration first-contact invasion military space-opera space-travel action-adventure -
Fracture by Ken Lozito, Scott Aiello
Rated: 4.33 of 5 stars · 12 ratingsColonel Sean Quinn is stranded in another universe, along with two thousand people under his command. They've been hiding from the enemy long enough, now it’s time to return home. Outnumbered against a superior foe, Sean must risk everything in a daring operation, but the mysterious enemy has a few surprises of their own...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
The Prince Awakens by Fred Hughes
Rated: 4.33 of 5 stars · 12 ratingsHazard King had always wanted to be an Imperial Fleet officer, just like his father.But he’s a Prince of the Realm, which make things a bit more… complicated. And when Hazard’s parents tell him that they don’t trust his older brother and want Hazard to be the Crown Prince—the heir to the throne—things go from bad to worse.And just when they can’t get any worse, the Empress is attacked...Categorized as:
space-opera military aliens invasion space-travel soldiers first-contact exploration -
Direct Fire by Rick Partlow
Rated: 4.41 of 5 stars · 21 ratingsFrom street criminal to war hero.From outcast to Marine officer.The journey has been a long one, but now it’s reaching the end.Cam Alvarez leads his platoon of Drop-Troopers into the Tahni Imperium, into the final days of the war and the bloodiest battles yet...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Emergence by Ken Lozito, Scott Aiello
Rated: 4.29 of 5 stars · 14 ratingsAs the colony grapples with the realization that New Earth is not as uninhabited as they’d once thought, tensions between the colonial settlements rise to new heights, and the Colonial Defense Force finds itself caught in the middle. When Connor uncovers evidence of a militant colonial faction secretly exploiting the NEIIS, he has to investigate...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
-
The Others by Jay Allan
Rated: 4.46 of 5 stars · 17 ratingsFrom the deepest darks of unknown space, evil comes… Admiral Tyler Barron and the Confederation navy face a new threat, darker and deadlier than any that have come before...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
When the Axe Falls by Jon R. Osborne
Rated: 4.50 of 5 stars · 6 ratingsThe clouds of war continue to build…and not everyone is blind… Bjorn Tovesson III, the owner of Bjorn’s Berserkers, is a man tied to the past, but who’s not afraid to innovate. Whether it is new tactics or new equipment, Bjorn is willing to try anything, once, in an effort to grow his company into the status of the fabled Four Horsemen...Categorized as:
aliens exploration first-contact invasion military soldiers space-travel action-adventure -
Dirty Deeds by Mark Wandrey
Rated: 4.50 of 5 stars · 6 ratingsOld mercs don't die, you do. Abraham Murdock left his home of Sheridan Arkansas at seventeen to start a merc career that spanned almost 50 years, working for dozens of companies, killing aliens and getting paid across the galaxy. Near the end of his career, he landed a gig with Cartwright’s Cavaliers...Categorized as:
aliens exploration first-contact invasion military soldiers space-travel action-adventure -
Dark Moon Arisen by Chris Kennedy, Mark Wandrey
Rated: 4.50 of 5 stars · 6 ratingsThe war continues! The Omega War is in full swing. Earth has fallen to General Peepo’s army, and the surviving Human mercenaries have taken refuge at the hidden Winged Hussars’ base in New Warsaw...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Shout of Honor by Sharon Lee, Steve Miller
Rated: 4.50 of 5 stars · 6 ratingsCommander Vepal is a Hero. He is also the Yxtrang ambassador to the greater universe. These two facts do not make Vepal's life easy. But they do make it interesting... -
Alpha Contracts by Chris Kennedy, Mark Wandrey
Rated: 4.50 of 5 stars · 6 ratings“Before CASPers were the lords of the battlefield, men tested their metal against aliens one-on-one.” First contact has been made, and Earth’s militaries and its premier mercenary companies stand ready to take their first tentative steps outside the Solar System...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Star Force: Phoenix by Aer-ki Jyr
Rated: 4.50 of 5 stars · 6 ratingsCal-com's journey is not at an end. In fact, it's just beginning..Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure -
Lucky Justice: Lucky's Marines | Book Seven by Joshua James
Rated: 4.50 of 5 stars · 6 ratingsA simple mission gone impossibly wrong. Ambushed by an enemy that shouldn't exist, Lucky and his Marines must overcome powerful forces with limitless resources – and a princess with limitless ego. But Sergeant Lucky Savage has a powerful weapon of his own. Whether he can manage to control it is an open question...Categorized as:
aliens exploration first-contact invasion military soldiers space-travel action-adventure -
Stardust by Edward W. Robertson
Rated: 4.50 of 5 stars · 6 ratingsThe invaders have arrived. The last battle for humanity is about to begin. STARDUST is the final book in the Rebel Stars series...Categorized as:
aliens exploration first-contact invasion space-opera space-travel action-adventure adult -
Star Force: The Powers That Be by Aer-ki Jyr
Rated: 4.50 of 5 stars · 6 ratingsIn youth you'd lay awake at night and scheme..Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure -
-
Connection Unknown by Michael Chatfield
Rated: 4.50 of 5 stars · 6 ratingsLuke Tavares has dreamed of joining the vast gaming guilds of the hypernet. After recently graduating high school, his parents have given him the same ultimatum as his siblings; he has one month to get a job to pay for his air, gravity, and water aboard the Dahlia.The freighter needs more hands, but Luke doesn’t want to be a trader-ship engineer... -
Valkyrie's Daughter by John E. Siers
Rated: 4.50 of 5 stars · 6 ratingsThe alien Akara have a secret. They've discovered the location of a planet that is home to a primitive human civilization, another ancient "seeding" of the legendary Progenitors. But this planet lies in the territory of the Otuka, spacefaring alien predators who consider human flesh to be a delicacy and the planet to be their private hunting preserve...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
Pursuit of the Bold by Jamie McFarlane
Rated: 4.51 of 5 stars · 14 ratingsA world-shattering invasion. A long-dead rumor. A death-defying risk to save humanity. If the Kroerak Empire had a soft spot, Liam Hoffen would have found it by now. After years of fighting the blasted bug invaders, he’s all but thrown in the towel. To make matters worse, intercepted enemy plans show the empire’s next attack could wipe them off the map...Categorized as:
aliens exploration first-contact invasion military soldiers space-opera space-travel -
The Long-Range War by Christopher G. Nuttall
Rated: 4.38 of 5 stars · 8 ratingsThe gloves have finally come off ... The Tokomak, the unquestioned masters of the galaxy, have dispatched a massive fleet to crush the Solar Union - and the fledgling Galactic Alliance - before the human race and its alien allies can tear the galactic order asunder. Hundreds of thousands of starships under the command of an alien tactical genius, bent on exterminating the entire human race .. -
Star Force: Origin Series by Aer-ki Jyr
Rated: 4.38 of 5 stars · 8 ratingsThe Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure -
Star Force: Origin Series by Aer-ki Jyr
Rated: 4.38 of 5 stars · 8 ratingsThe Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...Categorized as:
aliens exploration invasion military soldiers space-opera space-travel action-adventure
Or - use our amazing romance book finder to get recommendations based on your favorite content tropes and themes. Mix and match at will.