Books like 'Gantz/21'

Readers who enjoyed Gantz/21 by Hiroya Oku also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

paranormal  science fiction  fantasy  horror  mystery  vampires  monsters  aliens  survival

  • Promises Kept by Michael Anderle

    Promises Kept by Michael Anderle

    Rated: 4.67 of 5 stars
    · 24 ratings
    When Bethany Anne makes a promise, heavens and planets will be moved to keep it.She swore to protect the Federation before taking the fight to the Kurtherians. Nine months into the tour, and the Federation is still vulnerable when Gödel strikes.Renewed alliances bring the Federation together to fight the anti-Empire movement threatening its stability...
  • Antecedents' Legacy by Daniel Schinhofen

    Antecedents' Legacy by Daniel Schinhofen

    Rated: 4.55 of 5 stars
    · 24 ratings
    Zander 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...
  • Sponsored links
  • Trader's Leap by Sharon Lee, Steve Miller

    Trader's Leap by Sharon Lee, Steve Miller

    Rated: 4.48 of 5 stars
    · 14 ratings
    NEW ENTRY IN THE LANDMARK LIADEN UNIVERSE® SERIESThe only bridge between past and future is a leap of faith. Pursued by enemies, exiled Liaden clan Korval is settling into a new base on backworld Surebleak. Moving is expensive, as is war, and Korval is strapped for cash. Delm Korval has therefore instructed Master Trader Shan yos'Galan to design and implement new trade routes, quickly...
  • Dragon in Exile by Sharon Lee, Steve Miller

    Dragon in Exile by Sharon Lee, Steve Miller

    Rated: 4.34 of 5 stars
    · 21 ratings
    #18 in the popular and exciting science fiction Liaden Universe®. Clan Korval rebuilds its fortunes on the gritty, semi-anarchic planet of Surebleak...
  • Neogenesis by Sharon Lee, Steve Miller

    Neogenesis by Sharon Lee, Steve Miller

    Rated: 4.39 of 5 stars
    · 17 ratings
    NEW ENTRY IN THE NATIONALLY BEST-SELLING LIADEN UNIVERSE SERIES. Sequel to national bestseller The Gathering Edge. Menace from Back Space Looming out of the Dust of Time The Complex Logic Laws were the result of a war waged hundreds of years in the past, when two human powers threw massive AI navies at each other and nearly annihilated themselves...
  • Dark Whispers Trilogy: The Children of the Gods Series Books 62-64 by I. T. Lucas, Lucas

    Dark Whispers Trilogy: The Children of the Gods Series Books 62-64 by I. T. Lucas, Lucas

    Rated: 4.75 of 5 stars
    · 8 ratings
    Dark Whispers From The Past ★ Dark Whispers From The Afar ★ Dark Whispers From BeyondSee the individual books for the audible versions and thousands of readers' reviews...
  • All Good Magic Comes to an End by Brenda Trim, Tia Didmon

    All Good Magic Comes to an End by Brenda Trim, Tia Didmon

    Rated: 4.67 of 5 stars
    · 9 ratings
    In the shadows of Ravenholde, the things you can't see will kill you.With the infection ravaging our mystical town and no antidote in sight, tensions between the Shadow Council members are at an all-time high...
  • Salvage by Jenny Schwartz

    Salvage by Jenny Schwartz

    Rated: 4.35 of 5 stars
    · 16 ratings
    Secrets can get a girl killed. Cherry Pendit knows to keep hers close. But what if it’s whispering to her? What if it’s warning her of danger on the galactic horizon, and only she can save her clan?To save the people she loves, Cherry will have to risk her life to rescue a man she’s never met.A hunted man, a man abandoned on a derelict space station, on the far side of a black hole...
  • Lady Luck by K.C. Cross, J.A. Huss

    Lady Luck by K.C. Cross, J.A. Huss

    Rated: 4.44 of 5 stars
    · 12 ratings
    Luck knew two things when he left Harem Station months ago. One. The silver-haired Cygnian Princess Nyleena was still safely frozen away in her cryopod. And two. There was a good chance she was his soul mate. He left anyway. Nyleena is what you might call feisty. Or sassy. Or maybe just… feral. She is wild. Much too wild for Luck’s taste. But now that he’s home there’s no way to deny it...
  • Otherside Picnic: Volume 3 by Iori Miyazawa

    Otherside Picnic: Volume 3 by Iori Miyazawa

    Rated: 4.56 of 5 stars
    · Steam rating: 1 of 5
    Glimpses and kisses [?] · 9 ratings
    Autumn has arrived. Having narrowly avoided the curse of the Kotoribako, Sorawo and Toriko are back to exploring the other world. With boxed lunches in tow, the two take their agricultural vehicle for a leisurely drive across grassy terrain, deal with the problems caused by Sorawo's kouhai at university, and hang out at cognitive scientist Kozakura's house...
  • The Naga Scavenger's Precious Mate by Robin O'Connor

    The Naga Scavenger's Precious Mate by Robin O'Connor

    Rated: 4.56 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 9 ratings
    He is the king of beasts, the lord of water, and I’m his captive mate.FarahUnderwater, what it is up can seem like down. I’m supposed to be dead, I’m supposed to be just a normal, boring daycare worker. Somehow, I’m stuck in the middle of a bizarre, nightmarish adventure.And then there is him. I'm not attracted to him with a burning intensity. No, it's just a fever from nearly drowning...
  • Pirating the Alien by Ava Ross

    Pirating the Alien by Ava Ross

    Rated: 4.50 of 5 stars
    · 10 ratings
    I’m falling for my space pirate boss, but rogue aliens are after him—and now me.It was a simple job. Sneak aboard a pirate spaceship and steal a precious artifact from the brooding, too-hot captain, Matis. Before I know it, I’ll be on my way back to Earth with enough credits to cure my mom’s sickness...
  • Alien Triton's Prize by Lynnea Lee

    Alien Triton's Prize by Lynnea Lee

    Rated: 4.34 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 15 ratings
    Reeled into a fake marriage with a merman...How was I supposed to know my new boss was the owner’s nephew? Now, I’ve been fired for speaking up about his roaming hands. And if that isn’t bad enough, I get home early to find my boyfriend bumping the girl next door!With nowhere to go, I decide to join the Starlight Lottery...
  • Empire of Night by Justin Somper

    Empire of Night by Justin Somper

    Rated: 4.21 of 5 stars
    · 24 ratings
    After the surprising revelation of the Tempest family history, twins Connor and Grace face a newly-defined future marked by their Vampirate roots. Meanwhile, Sidorio's evil Vampirate Empire continues its expansion, making it tragically apparent that no ship is safe. As for the pirates, they have a new mission: wipe out the vampirates...
  • Otherside Picnic: Volume 2 by Iori Miyazawa

    Otherside Picnic: Volume 2 by Iori Miyazawa

    Rated: 4.44 of 5 stars
    · Steam rating: 1 of 5
    Glimpses and kisses [?] · 9 ratings
    Summer has arrived, and university students Sorawo Kamikoshi and Toriko Nishina’s connection deepens as they explore the alternate world known as the Otherside.There's a rescue operation for the U.S...
  • Alien Knight Teddy Bear Troubles by Becca Brayden

    Alien Knight Teddy Bear Troubles by Becca Brayden

    Rated: 4.44 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 9 ratings
    On a dangerous mission to rescue a young royal from a prison cell on an alien warship, Lumerian Knight Taeger Norasair never expects to find a beautiful human woman among the prisoners. Even more puzzling is her refusal to leave. Unwilling to leave Cassie behind, he throws her over his shoulder and makes a dash for freedom. He is an ancient. Nearly immortal. Sparks fly and passions rage...
  • Shield by Jenny Schwartz

    Shield by Jenny Schwartz

    Rated: 4.33 of 5 stars
    · 12 ratings
    If Cherry was a selfish witch, she'd keep running. She's an oracle. She KNOWS that trouble is closing in. However, there's an instant in which she could escape, and so could those she loves.Too bad she's surrounded herself with ridiculously noble allies. The kind of self-sacrificing, kind, clever, and resolute people who force you to love them ..
  • I Spy an Alien by Jenny Schwartz

    I Spy an Alien by Jenny Schwartz

    Rated: 4.30 of 5 stars
    · 13 ratings
    A quirky sci-fi romantic comedy about a blue-skinned alien spy and the woman who accidentally seduces him.Betrayed, broken-hearted, and plain broke, Elif Moora enlists in the Pax Galactica Corps. Her first assignment is a triumph! As the producer of Doctor Galaxy, Elif successfully raises humanity’s abysmal profile among a galactic audience of trillions.But then her efforts are sabotaged...
  • Nurse for an Alien Warrior by Roxie Ray

    Nurse for an Alien Warrior by Roxie Ray

    Rated: 4.13 of 5 stars
    · 18 ratings
    I’m supposed to care for a kid, not create one! Space needs nurses. That’s what they told me, and that’s why I agreed to go.They say Raider is the last place I want to end up, but I’m up to the challenge. I’ll care for the warlord’s child.One problem.He wants me to make said child. With him.No. Not happening. Never.I’m not selling my body to some brute! But Kain isn’t the brute I imagined...
  • Team Changes by Erin R. Flynn

    Team Changes by Erin R. Flynn

    Rated: 4.29 of 5 stars
    · 11 ratings
    My name is Inez Garner, and I’m a vampire princess, wife to four vampire nobles… And I think one I’m still a girlfriend to? I’m not really sure who is interested with vast crazy surrounding me. And that was before the wedding and I outed us as supes to the settlement. Too many are plotting after that—and not the good kind—but Aether is making it clear where my focus should be...
  • Roman: Fury of Her King by Julia Mills, Linda Boulanger

    Roman: Fury of Her King by Julia Mills, Linda Boulanger

    Rated: 4.33 of 5 stars
    · 9 ratings
    Book 2 in the Kings of the Blood series. The books can be read as stand-alone stories, but it is advisable to read them in order to get the most enjoyment from the series. She thought it was a chance meeting… He knew it was Destiny. Her dreams were coming true… His future was within his grasp. Life turns on a dime. Things can change in the blink of an eye...
  • Surrendered by Evangeline Anderson

    Surrendered by Evangeline Anderson

    Rated: 4.21 of 5 stars
    · 14 ratings
    Commander Thornex is a Hybrid--half Kindred and half Pyro--a much feared people who have the ability to unleash horrific maelstroms of flame whenever they are angered. All his life Thorn has struggled to control the destructive power within him. A horrible accident in his past made him swear to never unleash the fire again and for many years, he has kept himself under tight control...
  • Dark Elf's Demand by Celeste King

    Dark Elf's Demand by Celeste King

    Rated: 4.60 of 5 stars
    · 5 ratings
    I outran my master.But I can’t outrun fate.I was desperate for my freedom.In my haze, I made a decision that would change my life forever.I collapsed on a dark elf soldier’s doorstep.But Lavin doesn’t throw me in a cell.He gives me a bed, food, and medicine.I think for once I am safe.But soon I realize, a pretty prison is still a prison...
  • Adored By Her Orc Avenger by Celeste King

    Adored By Her Orc Avenger by Celeste King

    Rated: 4.60 of 5 stars
    · 5 ratings
    On this Earth, we fear the orcs.But we fear other humans more…Life is not pretty where I am from. It is brutal and deadly.Such can also be said for the orc that saved me.I thought I was dead, but he fought off my attackers. Together, injured we took shelter in an abandoned house.It’s where I got to know him.Where I started to fall in love with him.But this world isn’t pretty...
  • Extending Family by Erin R. Flynn

    Extending Family by Erin R. Flynn

    Rated: 4.24 of 5 stars
    · 11 ratings
    My name is Inez Garner, and I’m a vampire princess, wife to two vampire nobles, fiancée to two more, and girlfriend to another. I’m the leader of a new coven that is made up of mostly shifter clans and thriving better than established covens and they love that. But we’re still in a precarious position as our main location for the coven only has the castle...
  • Blood Trouble by Connie Suttle

    Blood Trouble by Connie Suttle

    Rated: 4.22 of 5 stars
    · 12 ratings
    Blood Trouble "Belen?" I blinked up at him. As usual, he was shining brightly, although he'd dampened it so I might look at him. "Lissa, this is certainly the beginning." He gazed around us. At leveled homes and devastated bodies. I understood what he said. All too clearly. It had been my suspicion, but I was too afraid to voice it aloud, as if saying it might make it real...
  • Migration by Julie E. Czerneda

    Migration by Julie E. Czerneda

    Rated: 4.11 of 5 stars
    · 21 ratings
    Senior co-administrator of the Norcoast Salmon Research Facility, Dr. Mackenzie Connor was a biologist who studied the spawning habits of salmon. Then, last season, just as she and Dr. Emily Mamani were starting their research, they were interrupted by the arrival of Brymm, the first Dhryn to set foot on Earth...
  • Gantz/19 by Hiroya Oku

    Gantz/19 by Hiroya Oku

    Rated: 4.10 of 5 stars
    · 22 ratings
    Gantz's reluctant alien-hunting hero, Kei, has had to deal with all sorts of selfish and seedy teammates, but somehow he's recently fought alongside his best partners yet. Unfortunately, this might be his last fight with them. Not that his story is over, however...
  • Silver Stealth by Iona Strom

    Silver Stealth by Iona Strom

    Rated: 4.22 of 5 stars
    · 9 ratings
    SakkarMemories of betrayal flooded my mind with glimpses of a past I didn’t recall living. I had wronged so many, not just my clan but all of Valose. I was not worthy to walk among them. Not worthy of the female who had breathed life into my ancillary heart.It was just as well. My spirit mate cared not for me. Her downcast gaze, always on her feet or the male with whom she had returned...
    Categorized as:
    aliens  paranormal  science fiction  fantasy
  • The Drift Bundle: Books 1-3 by Susan Hayes

    The Drift Bundle: Books 1-3 by Susan Hayes

    Rated: 4.25 of 5 stars
    · 8 ratings
    ***Three steamy cyborg romances from the Sci-fi romance series, The Drift*** Out on the edge of civilized space is a rag-tag collection of space stations and platforms known as the Drift. It’s a haven for the hunted, the lost, and those seeking second chances...
  • Bound by the Alien Pirate by Alana Khan

    Bound by the Alien Pirate by Alana Khan

    Rated: 4.25 of 5 stars
    · 8 ratings
    What happens when a cynical pirate plucks Izzy out of the jaws of danger, flies her to his cave, and vows to keep her prisoner?IzzyOne moment I was touring the Supercollider, the top thing on my bucket list, the next I’m falling into a marsh on a prehistoric planet. The most handsome male I’ve ever seen, complete with lush, luminescent wings, flies in...
  • Devil in the Hold by Tammy Walsh

    Devil in the Hold by Tammy Walsh

    Rated: 4.29 of 5 stars
    · 7 ratings
    He’s pushed every Prize beyond her limit. And today he chose me. I’m not new to this game. I was abducted and made to work as a Prize for the past year. Dozens of alien fighters have claimed me. None scare me.None… other than the prisoner known as the “Devil.”When a riot kicks off and the prison is hurled into chaos, no one knows what they’re doing… or how high the stakes are...
  • Top Secret Vampire by Ava Ross

    Top Secret Vampire by Ava Ross

    Rated: 4.33 of 5 stars
    · 6 ratings
    Can my heart take the bite of Secret Agent Vampire? Reese: Moving back to Mystic Harbor was supposed to be a fresh start, but my welcome wagon has a knack for mischief. First, my blender explodes, then a seagull decides I’m its target. When I think things can’t get any weirder, someone scrawls “Leave Town” on my bathroom mirror...
  • Doctor Who: Scherzo by Robert Shearman, Paul McGann

    Doctor Who: Scherzo by Robert Shearman, Paul McGann

    Rated: 4.15 of 5 stars
    · 11 ratings
    There were two friends, and together they travelled the cosmos. They thwarted tyrants and defeated monsters, they righted wrongs wherever they went. They explored the distant future and the distant past, new worlds and galaxies, places beyond imagining.But every good story has to come to an end...With no times or places left to explore, all the two friends have now are each other...
  • Gantz Volume 18 by Hiroya Oku

    Gantz Volume 18 by Hiroya Oku

    Rated: 4.06 of 5 stars
    · 21 ratings
    The crazy world of Gantz just got a heck of a lot crazier! First, there were people being recruited at the moment of death to fight aliens living on earth, but unseen by humanity. The battles seemed to take place outside of human sight. Our reluctant hero, Kei, has lived through many of these battles, but now something strange is happening...
  • Ghost Ship by James Rollins

    Ghost Ship by James Rollins

    Rated: 4.02 of 5 stars
    · 28 ratings
    The discovery of a burned body sprawled on a remote Australian beach shatters the vacation plans of Commander Gray Pierce. To thwart an ingenious enemy, he and Seichan are pulled into a centuries-old mystery surrounding a lost convict ship, the Trident. The vessel—with a history of mutiny and stolen treasure—vanished into the mists of time, but nothing stays lost forever...
  • Gantz/14 by Hiroya Oku

    Gantz/14 by Hiroya Oku

    Rated: 4.03 of 5 stars
    · 22 ratings
    A gang of vampire guys . . . who can grow samurai swords from their very flesh! Once again, Hiroya Oku is pushing the envelope with his crazy manga Gantz!And to add to it, these vampire yakuza guys might not even be aliens! This isn't a mission. These guys seem to know who is working for Gantz, and are coming after them. On the streets where they work and live. In the daylight...
  • Gantz/13 by Hiroya Oku

    Gantz/13 by Hiroya Oku

    Rated: 4.03 of 5 stars
    · 21 ratings
    Dinosaurs. Seriously, can the frantic world of Gantz get any more scary? How about a giant doughboy with crazy fangs and a strange outie bellybutton? Yeah, it's not just scary; it's a very strange world for Kei!. At least this time the Gantz crew have a new weapon! It's an awesome state-of-the-art uni-motorcycle thing! And one of the characters uses a massive space samurai sword...
  • The Atlantis Plague by A.G. Riddle

    The Atlantis Plague by A.G. Riddle

    Rated: 3.98 of 5 stars
    · 44 ratings
    In Marbella, Spain, Dr. Kate Warner awakens to a horrifying reality: the human race stands on the brink of extinction. A pandemic unlike any before it has swept the globe. Nearly a billion people are dead—and those that the Atlantis Plague does not kill, it transforms at the genetic level. A few rapidly evolve. The remainder devolve.As the world slips into chaos, radical solutions emerge...
  • Gantz/17 by Hiroya Oku

    Gantz/17 by Hiroya Oku

    Rated: 4.02 of 5 stars
    · 20 ratings
    It seems like every new alien creature the Gantz gang fights is just practice for another, tougher, more demented future alien battle. Every new alien means another crew of newly dead citizens, reborn as alien hunters. Except for those who survive for the next battle. And Kei is the only one who’s survived since volume 1...
  • Ukkur Mates Collection: Books 1-3 by Lizzy Bequin

    Ukkur Mates Collection: Books 1-3 by Lizzy Bequin

    Rated: 4.14 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 7 ratings
    This collection includes Books 1-3 of The Ukkur Mates SeriesMEATTrapped like an animal. Shared like a piece of meat.This alien wilderness is no place for an innocent little human like me. I should have been more careful. Should have watched my step. Now I’m caught in the hunters’ snare. Three primitive alien beasts are coming to claim their prize...
  • Team Inez by Erin R. Flynn

    Team Inez by Erin R. Flynn

    Rated: 4.17 of 5 stars
    · 6 ratings
    My name is Inez Garner, and I’m a vampire princess. It still sounds crazy to me too, but again, the fangs sold me, especially now that I have my own and drink blood. Things have become more complicated as people give me answers, but I’m no longer alone to handle it all. I have Darius and Jaxon, plus my knights, and maybe one of the oldest vampires alive joining us to help keep me alive...
  • Hunted By The Dark Elf by Celeste King

    Hunted By The Dark Elf by Celeste King

    Rated: 4.20 of 5 stars
    · 5 ratings
    What am I to do when my prey becomes my predator......And I enjoy it?Kidri is a fierce warrior but he has a dark side even his Prince doesn't know about.When he takes me away from Emberforge, I fear I won't be able to escape him.But the chase is what we both want.And as he hunts me through the woods, I find I want to be caught.I want to be his prey. To be devoured.In me, Kidri has met his match...
  • Gantz/25 by Hiroya Oku

    Gantz/25 by Hiroya Oku

    Rated: 4.00 of 5 stars
    · 18 ratings
    As the Osaka Gantz team falls to the alien monster boss, Kaze of the Tokyo team takes the fight to the superbeast to save the mortally wounded little Takeshi. But even the powerful Kaze is no match for the shape-shifting fiend, and the Tokyo team musters a desperate offensive that could turn the tide . .
  • Red Gambit by Luke R. Mitchell

    Red Gambit by Luke R. Mitchell

    Rated: 4.01 of 5 stars
    · 13 ratings
    What do a wayward mercenary and a vexed arcanist have in common? Neither of them signed up for this crap . . . It's been fifteen years since the raknoth made a smoldering heap of Earth. But for some survivors, the problems are just getting started. Jarek Slater is a sword-slinging nomad with a powerful exosuit and a mean vigilante streak—or was until his exosuit was stolen. He wants it back...
  • Gantz/27 by Hiroya Oku

    Gantz/27 by Hiroya Oku

    Rated: 3.97 of 5 stars
    · 18 ratings
    A massive unknown flying craft lays waste to the planet’s leading military superpower. Choas reigns. Gantz teams from all over the world gather in Italy only to be overwhelmed and ripped to pieces by endless foes. And just as their destruction seems assured, the Gantz warriors are transferred home and released without explanation from their duty by the Gantz orb...
  • Gantz/22 by Hiroya Oku

    Gantz/22 by Hiroya Oku

    Rated: 3.97 of 5 stars
    · 17 ratings
    A spectacle without precedent unfolds in the streets of Osaka, leaving a path of complete and utter destruction as the battle with the aliens in Dotombori continues to escalate. Beset by a growing number of ghouls, each more deadly than the last, even the battle-hardened Gantz warriors find their numbers dwindling...
  • Christmas with an Alien by Tana Stone

    Christmas with an Alien by Tana Stone

    Rated: 4.00 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 9 ratings
    When an alien comes to Earth during the holidays with a list, personal shopper Caroline is tasked to help him find everything he wants… but what he wants is a bride. Caroline isn’t a Scrooge, but the weeks leading to Christmas are not her favorite. The personal shopping department where she works is insanely busy and the clients have crazy requests...
  • Oh No, I Crashed A Spaceship And Kissed An Assassin by Kate Sinner

    Oh No, I Crashed A Spaceship And Kissed An Assassin by Kate Sinner

    Rated: 4.00 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 9 ratings
    Relationships aren’t built on secrets, and I’ve got a big one.I’ve got to be the unluckiest person alive. I mean, abducted by aliens? What are the chances? Only these aliens, they’ve got another thing coming if they think I’m just going to lie here and take it. Just wait till I find myself a weapon.When my spaceship crashes--because, of course--just outside the Alien Hotel, I decide to check in...
  • Better in the Dark by Chelsea Quinn Yarbro

    Better in the Dark by Chelsea Quinn Yarbro

    Rated: 4.00 of 5 stars
    · 8 ratings
    Here at last is a long-hinted-at chapter in the undead existence of the immortal Count Saint-Germain: the story of Ranegonda of Saxony, one of the three great loves of Saint-Germain's life...
Fantastic book recommendations by romance book lovers for romance book lovers.
Find out more about romance.io.


Get recommendations by genres & tropes

Use the romance book finder to mix and match over 100 content keywords to find the books that match your preferences

romance book finder

Looking for more inspiration? Enter another book title to get more suggestions on what to read next.


Or - use our amazing romance book finder to get recommendations based on your favorite content tropes and themes. Mix and match at will.