Book picks similar to
Tartarus Gate by Matthew P. Gilbert


science-fiction
horror
artificial-inteligences
military-sci-fi

The Last Voyage


T.S. Snow - 2016
    She's far from it.Together, they’re Earth's last hope... they just don’t know it yet.Sinbad sh'en Singh had everything. A thriving smuggling career, his hologram on wanted posters on eleven planets, and plenty of women. Then she walked into his life.Andrea Talltrees, member of a backwards cult not believing in space travel or anything else invented after the Twentieth Century.She wants him to find her husband, a fugitive accused of being an Albegensian spy, the planet currently at war with Earth.He doesn’t want anything to do with an Earther, but a massive culture clash and a heavy dose of instant attraction get in the way, sending good sense flying out the viewport.They'll brave some very unsavory characters, maybe even prevent a second interplanetary war...if they can stop arguing.

The Daedalus Job


M.D. Cooper - 2020
    

Cling


Jeff Menapace - 2016
    A rare and hazardous gift, it is one she would rather not possess, as its price is great suffering. There is a word used to describe her kind: Martyr.Wandering the wastelands of a ruined Earth plagued by gangs and Cling—an affliction which shortens the human lifespan to a mere few decades—Sadie’s hope to find a slice of utopia fades.When an act of desperation in a reckless moment sets her on the run from a vicious warlord, her flight leads to a mysterious boy who seems to hold the answers to Sadie’s salvation. If she will use her gift to help his community, he vows to share the location of a tunnel deep beneath the ground—a tunnel revealed to Sadie in a fever dream as the key to defeating her pursuers.But when Sadie enters the tunnel, what she discovers plunges the boy’s community into unimaginable peril. Despite Sadie’s commitment to self-preservation, she cannot bring herself to abandon him and his people. Fortunately, Sadie has a few tricks up her sleeve—and an old acquaintance with a notorious set of skills who just may agree to join the fray.

Last of The Nighthawks: A Military Space Opera Adventure


Greg Dragon - 2018
    Chosen for a coveted slot in the glorious Nighthawks, Special Forces, she will certainly be able to prove herself as more than a half-alien outcast. But when her team deploys to the moon of Dyn, tragedy strikes and Helga is put to the ultimate test--survival. Facing insurmountable odds and escaping torture, Helga and her mentor, Cilas Mec, are forced to face a fate worse than death. Battling brain-eating aliens and human pirates, the odds are stacked against them in every way. The rescue should be coming. Unless the Alliance is involved in this botched mission... Can Helga survive the odds to get out alive, or will she be the last of the Nighthawks?

Hell Divers


Nicholas Sansbury Smith - 2016
    Aging and outdated, most of the ships plummeted back to earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers—men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.When one of the remaining airships is damaged in an electrical storm, a Hell Diver team is deployed to a hostile zone called Hades. But there’s something down there far worse than the mutated creatures discovered on dives in the past—something that threatens the fragile future of humanity.

Beachhead


Chris Lowry - 2017
     Now the aliens are coming. They want to occupy earth. They want to destroy humanity. They want to kill every last one of us. But we are legion. Seven billion humans are tough to kill. Pockets of survivors band together to fight back. It's hard to know who to trust. Human collaborates will do anything to live one more day. The US mounts an offensive. They turn loose Lt William "Don't ever call me the Kid" Bonney and his eight headhunters to wreak havoc on the invaders. Their business is killing Licks and brother, business is good. But the Lick Commander has a plan. More betrayal. When Bonney and his squad raid a supply train on the orders of High Command, they rescue a prisoner with a secret. One that will change the tide of war and help the human cause win. If they can last long enough to reach it. Book One in the Invasion Series is an extension of the world built in PHALANX and PHYRRIC. Fans of dystopian military sci fi are going to love the adventures of Lt and his squad of misfits as they roam middle America siccing the dogs of war on alien invaders bent on colonizing earth. WARNING: This book contains graphic language. There are enough F bombs in here to make sailors blush, so if you are faint of heart, do not read further. But if you can handle a little spice in your reading pleasure, then grab your copy and join the fight today.

Alien: Out of the Shadows


Tim Lebbon - 2013
    But in deep space, he found only darkness and isolation. Then on planet LV178, he and his fellow miners discovered a storm-scoured, sand-blasted hell - and trimonite, the hardest material known to man.When a shuttle crashed into the mining ship Marion, the miners learn that there was more than trimonite deep in the caverns. There was evil, hibernating - and waiting for suitable prey.Hoop and his associates uncover a nest of Xenomorphs, and hell takes on new meaning. Quickly they discover that their only hope lies with the unlikeliest of saviors...Ellen Ripley, the last human survivor of the salvage ship Nostromo.

Some Assembly Required


V.R. Tapscott - 2020
     But then her life got sidetracked by digging up the AI Pilot of a 140 million year old spacecraft. Now, she's running all over the world looking for spaceship parts, falling in and out of love and trying to keep her friends from thinking she's crazy. Not only that, but the ship she's helping to recover starts sounding more like the Death Star than the Millennium Falcon. When did life get so complicated?

It Ain't Over...


Robert M. Kerns - 2019
    Buy a planet and disappear...That's all Cole wanted.He spent thirteen years hiding on the fringes of society, piloting freighters for criminals and building a stash to do just that.But life happens when you're busy making plans.When Cole chooses to save an ejected castaway and stumbles into a crew of his own, he starts down a path that will force him to choose.Will Cole protect those who have become his people? Or will he slip away quietly in the night?

The Chronicles of Old Guy


Timothy J. Gawne - 2012
    Then, inexplicably, the humans vanished. They just went away. All that is left of the human empire are the cybertanks who, in their own way, keep the human civilization alive. With an intelligence based on the human psyche, the cybertanks continue to defend human space, but also perform scientific research, create art, form committees and ponder the universe. These are the stories of one of the first cybertanks, known to his friends as “Old Guy.” He has outlived most of his peers, and has had a wealth of experiences over his long life, but he is starting to slowly become obsolete. Join him and his comrades Double-Wide, Whiffle-Bat, Smoking Hole, Mondocat, and Bob, as they live and love and fight alien enemies such as the Amok, the Yllg, and the Fructoids.

The Bar at the End of the World


Tom Abrahams - 2020
    A renegade bootlegger. A battle for the future of mankind. Zeke is a bad guy. He didn’t choose to be. It’s just who he is. It’s who has to be to survive in a post-apocalyptic world where trust is as scarce as water. He's got nobody. No family. No friends. And a woman he left behind for her own good. But it's time to change. After a brush with death far out in the wasteland, he decides he's done risking his life to help his greedy bosses control who gets to drink water and when. Now, he's stranded in a bar in the middle of nowhere, surrounded by the perfect kind of ruffians who can help him go back and make things right. Armed with renewed purpose and a one-of-a-kind muscle car, Zeke hunts for redemption, seeks retribution and, maybe, just maybe, he can get his girl back while he’s at it. Take a ride across the wasteland in Tom Abrahams' newest post-apocalyptic, dystopian series, but with a fantasy twist. It will leave you wondering just what it means to be human. It's perfect for fans of A.G. Riddle, Hugh Howey, and Stephen King's The Dark Tower.

Jury Duty


Peter Cawdron - 2021
    With no one nation able to lay claim to the craft, a multinational effort is undertaken to salvage the vessel, which is estimated to have crashed several million years ago. Rather than leaving key decisions to hostile governments or their armies, a jury is established to represent the average global citizen, being selected from the five permanent members of the UN Security Council. Their job is to review findings and guide the process of discovery.

Denver Moon: The Minds of Mars


Warren Hammond - 2018
    Luna is uninhabitable. Mars is our last chance.Once considered humanity's future home, Mars hasn't worked out like anybody hoped. Plagued by crime and a terraforming project that's centuries from completion, Mars is a red hell.Denver Moon, P.I., works the dark underbelly of Mars City. While investigating a series of violent crimes linked to red fever--a Martian disorder that turns its victims into bloodthirsty killers--Denver discovers a cryptic message left by Tatsuo Moon, Mars City co-founder and Denver's grandfather. The same grandfather who died two decades ago.Twenty-year-old revelations force Denver on a quest for truth, but Tatsuo's former friend, Cole Hennessy, leader of the Church of Mars, has other plans and will stop at nothing to keep Denver from disclosing Tatsuo's secrets to the world.Hell-bent on reclaiming her grandfather's legacy, Denver--along with her AI implant, Smith, companion android, Nigel, and shuttle pilot, Navya--set out on a quest to find the answers they hope will shed light on the church's true agenda, the origin of red fever, and the mysteries surrounding Tatsuo's tragic death.

Rifleman: A LitRPG / LitFPS Adventure (Battlegrounds Online, #1)


Troy Osgood - 2021
    It's time to move on to something more... obscure. Battlegrounds Online is the only game of its kind. A VRMMOFPS. A military warfare game so realistic that it scares away most players daring enough to try it. Realistic in the combat but not in the setting, the game is based around a toy property from the 1980s—a property that Eric's Grandfather was a fan of, passing that love down to Eric.Now, as a soldier codenamed Zag, Eric gets to play in that near-future world full of colorful and insane terrorists. He gets to be one of the characters he heard his grandfather rave about.But Eric will find that not all games are created equal. Some are more real. So real, they can affect you both in and out of the game. Experience this high-adrenaline LitRPG / LitFPS adventure from the Amazon Bestselling author behind Sky Realms Online. An action-packed thrill-ride that puts you right in the crosshairs.

Titan's Wrath


Rhett C. Bruno - 2017
    SEE CHILDREN OF TITAN SERIES FOR CURRENT BOOKS 1-4. Two men are caught on opposite sides of a violent, off-world rebellion in this standalone. After inciting rebellion against Earth throughout Titan's off-world colonies, Kale Trass learns that leadership isn't only about fighting. Keeping control of his people--even his own family--requires a different set of skills. Following a pivotal battle over Saturn, Kale travels deep into enemy territory under the guise of seeking peace, though peace is the last thing on his mind.Malcolm Graves used to be an infamous Collector for a powerful Earther corporation--and then he nearly lost his life on Titan. Now he's retired. But when Kale's wake of destruction follows Malcolm to Mars and claims the life of a friend, it's time for the ex-Collector to dust off his pulse-pistol and leap back into a fight he thought he'd left behind.With the solar system divided, heroes are few and short-lived ... but someone has to put the self-proclaimed King Trass of Titan in his place.