Books like 'Catalyst'

Readers who enjoyed Catalyst by Dani Worth also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

futuristic  science fiction  poly (3+ people)  pirates  bisexual  m-m-f  m-f

  • Sun in the Oven by Milly Taiden

    Sun in the Oven by Milly Taiden

    Rated: 4.51 of 5 stars
    · 18 ratings
    **STANDALONE ** Discover a brand new race of Alpha males ready to find their mates in a dangerous warrior planet. Sassy women traveling with Gerri Wilder are in for the journey of a lifetime and a mate that will love them through the galaxy. Are you ready? Grab the third Galaxan romance between two sexy warriors and their fiery mate. Henley Rourke is a woman who loves a challenge...
  • Susix by Amelia Rademaker

    Susix by Amelia Rademaker

    Rated: 4.37 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 30 ratings
    Being abducted by aliens is terrifying. Everything after that? Pretty boring.Cece Levine didn’t believe in aliens. That is, right up until she was abducted. Life in space is not what she expected. She lives in a cage. She's left alone all the time. And the boredom is driving her insane.When a thief who is more snake than man, mistakes her for an exotic pet, Cece decides to just roll with it...
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  • Fallen Star by Morgan Hawke

    Fallen Star by Morgan Hawke

    Rated: 4.29 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 31 ratings
    Isabeau Fallon, the Fallen Star is one of the finest thieves on Dyson's Ring station - until she's caught by the Skeldhi hunter, Sobehk, who captures her and makes her a sex-pet. Trapped and altered into a skeldhi-human hybrid known as a rehkyt, her past is a closed door - until it literally comes back to haunt her in the form of a E'sey Khan...
  • Corsairs: Bethiah by Ruby Dixon

    Corsairs: Bethiah by Ruby Dixon

    Rated: 4.24 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 35 ratings
    I have a reputation for being the most chaotic bounty hunter in the universe.What they don’t know? My private life is just as messy. I’ve got a sweet, innocent cloned human woman who wants to be my lover…and a grumpy cyborg paramour who might be jealous that he’s not the center of attention.The solution?A triad...
  • Project: Adapt - Found by Jade Waltz

    Project: Adapt - Found by Jade Waltz

    Rated: 4.23 of 5 stars
    · 18 ratings
    A failed human prototype. That’s all she is… Born and raised as an experiment, Selena’s life has been filled with torture, betrayal, and distrust... but one night changes everything. Sold, attacked, and on the run, Selena is picked up by a colony ship...
  • The Vori's Mate by SJ Sanders

    The Vori's Mate by SJ Sanders

    Rated: 4.32 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 13 ratings
    Reggie was a society girl, a castoff wife, soon to-be divorcee, stolen away from Earth, a victim of her own bad choices. Little did she know that one mistake would lead her onto a journey of finding her own happy ever after with a serpentine species of aliens on a strange matriarchal jungle planet. Giant spiders, gargantuan lizards, scrambled green eggs for breakfast...
  • Draekon Abduction by Lili Zander, Lee Savino

    Draekon Abduction by Lili Zander, Lee Savino

    Rated: 4.21 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 14 ratings
    How to Fail as an Intergalactic Spy: 1. Crash spaceship on wrong planet. 2. Break leg. 3. Get abducted by rogue prisoners. 4. End up with two pairs of dragon-shifters claiming I’m their mate. Here’s a report for the CIA: The aliens are freaking good kissers. The mission was simple: Go to the Zorahn planet. Spy on the aliens...
  • Pirate Nemesis by Carysa Locke

    Pirate Nemesis by Carysa Locke

    Rated: 4.09 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 19 ratings
    A smuggler running from her past, Mercy desperately wants answers to her mother’s disappearance. All roads lead her to the one place she can’t return: home.

Killers. Thieves. Pirates. Family. Mercy has spent her life evading the Pirate Queen who attempted to murder her as a child...
  • Throne Taker by Heather Long, Rebecca Royce

    Throne Taker by Heather Long, Rebecca Royce

    Rated: 4.29 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 7 ratings
    Everything in Khloe with a K's life changed when she crashed into the side of a food truck. Now with Earth in the rearview mirror, her future lies with Briggs, Goran, Reese, and Dalton...
  • The Uncertain Scientist by K. Webster, Nicole Blanchard

    The Uncertain Scientist by K. Webster, Nicole Blanchard

    Rated: 4.16 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 11 ratings
    I had everything I ever wanted. I was brilliant, successful, esteemed. Alone. But I didn’t mind. I liked being alone. Until they stole me. And I wake up, captive, pregnant with an alien baby—and still a virgin. For a race of freaks nearing extinction, there seems to be far, far too many of them...
  • Tone of Voice by Kaia Sønderby

    Tone of Voice by Kaia Sønderby

    Rated: 4.14 of 5 stars
    · Steam rating: 1 of 5
    Glimpses and kisses [?] · 7 ratings
    Xandri Corelel has spent six months living among the Ongkoarrat after her unceremonious firing from the crew of the Carpathia, and though she misses her home, she has settled into her new life. Then Diver arrives with news that changes everything. The Hands and Voices--squid- and whale-like symbiotic aliens--are masters of bio-engineering and grow a wide variety of species of coral...
  • Testing Pandora by Kaia Sønderby

    Testing Pandora by Kaia Sønderby

    Rated: 4.14 of 5 stars
    · Steam rating: 1 of 5
    Glimpses and kisses [?] · 7 ratings
    In the far future, genetic engineering is used to strip all sapient species of disability. But when humans have a brief fad of natural birth, disabled children start reappearing. They're quickly termed "Pandoras," the value of their very lives brought into question, and laws are put into place to prevent their births from happening ever again...
  • Alien Daddies by Sue Lyndon

    Alien Daddies by Sue Lyndon

    Rated: 4.03 of 5 stars
    · 15 ratings
    On their world, bad girls are punished. When nineteen-year-old Makenna stowed away on a departing spacecraft, she expected a short trip to the resort planet where her friends spend their summers...
  • The Wife Protectors: Giles by Frankie Love, Charlie Hart

    The Wife Protectors: Giles by Frankie Love, Charlie Hart

    Rated: 4.01 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 12 ratings
    Six husbands. One Wife.  A secret that will tear them apart.  Tia thinks running from her husbands will keep them safe - but she never expected to have a gun in her hand, or to pull the trigger. A single bullet changes everything.  The life she escaped is catching up to her, but she's not the only one at risk. Giles sacrificed everything by coming to her rescue..
  • Misconstrued by Pixie Unger

    Misconstrued by Pixie Unger

    Rated: 3.94 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 25 ratings
    “You cannot live on the food we have for you. That leaves me three choices. Let you continue to starve, slowly dying. Or put you out of your misery, and save the resources of feeding you for someone who has a chance to live.” The orc gave me a long, calculating look before he continued, “Or I can find you someone who is willing to spend his personal resources to care for a defective human...
  • Crux: A Sci-Fi Romance by H.E. Trent

    Crux: A Sci-Fi Romance by H.E. Trent

    Rated: 3.80 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 5 ratings
    Erin McGarry fears she’s becoming the very thing she hates. She traveled to the planet Jekh to get her big sister, Courtney, out of a jam, and now Erin has become a colonist, too. In spite of the planet’s unstable political environment and ongoing rioting by the native Jekhans, Erin fears that retreating to Earth would mean she’d never see Courtney again...
  • Planet Bear by Rebecca Royce

    Planet Bear by Rebecca Royce

    Rated: 3.67 of 5 stars
    · 9 ratings
    Jessica White never intended to stray from her intended path. Her assignment was hard but simple. Travel through the unrestricted path of space corridor that runs between Planet Bear, Planet Wolf, and Planet Cat to human territory to deliver the packages the Union have entrusted her with. The pay day she gets when she completes her job will seriously help her family...
  • Into the Dead Fall by Susan Trombley

    Into the Dead Fall by Susan Trombley

    Rated: 3.63 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 17 ratings
    This is a full-length, science-fiction/science-fantasy, MFM alien romance novel that was previously published as part of a two-book collection with The Scorpion's Mate. This is a revised edition with significant additional story content...
  • Ecstasy From the Deep by Octavia Kore

    Ecstasy From the Deep by Octavia Kore

    Rated: 3.61 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 18 ratings
    An enticing savior, an old love, and one deranged alien hell-bent on destroying it all. The seemingly endless war with the Grutex has caused many inconveniences for Amanda, but none of those have been as bad as losing the funding for the project she is working on that is supposed to help save humanity...
  • Rogue; Planet Athion by Debbie Cassidy

    Rogue; Planet Athion by Debbie Cassidy

    Rated: 3.43 of 5 stars
    · 7 ratings
    Each Victory is another day I get to continue breathing.  Each Victory is a reprieve from Death. Ever since I was betrayed and taken from my home planet, ever since they pumped me with poison and abandoned me on this asteroid to fight or die, I’ve been surviving. But I’m not alone. There are others with me, alien to me, just as I am to them...
  • Alien Savior by Nicole Krizek

    Alien Savior by Nicole Krizek

    Rated: 3.53 of 5 stars
    · 11 ratings
    Lacy Woods thought that there could be nothing worse than being stolen from Earth by an alien poacher, until she's thrust onto the auction block and sold as a slave on an alien planet. Standing on stage surrounded by the galaxy's nastiest criminals, she has little hope...
  • Initiation by Ruth D. Kerce

    Initiation by Ruth D. Kerce

    Rated: 3.51 of 5 stars
    · 12 ratings
    Xylon Warriors - Initiation By Ruth D. Kerce Book 1 in the Xylon Warriors series Warrior Braden Koll is on a mission to retrieve DNA-compatible women for breeding on the planet of Xylon. His current assignment is to locate an Earth woman-Alexa Sandor-found to be a match, and sexually initiate her into The Lair of Xylon...
  • Erstwhile by H. E. Trent

    Erstwhile by H. E. Trent

    Rated: 3.29 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 7 ratings
    As an adamant opponent of Terran settlement on the planet Jekh, Owen McGarry made his family name synonymous with “traitor” on Earth. Lobbyists standing to profit from off-world colonization hinted that the Jekhans were preparing to declare war...
  • Princess SOS by Sara Page

    Princess SOS by Sara Page

    Rated: 3.59 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 19 ratings
    SOS... Is there anyone out there listening? Please help... If you're receiving this emergency distress signal, my name is Princess Ameia. My escape pod has crashed. I am marooned. I've encountered only one other intelligent life form. He's big, purple and I think he wants to eat me. He watches me and is preventing me from leaving the pod...
  • Luna Touched by Belle Harper

    Luna Touched by Belle Harper

    Rated: 3.18 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 11 ratings
    My name is Luna. I applied to a job ad that sounded too good to be true. It was! I'm being sent to an Alien Planet to marry an Alien guy with four-arms. But now I'm here, I just found out I'm getting FIVE Alien husbands not one. This was not what I applied for. But one of the Alien guys broke my Translator and things are about to get messy...
  • Bride of the Trogarians by Ava Sinclair

    Bride of the Trogarians by Ava Sinclair

    Rated: 3.23 of 5 stars
    · 11 ratings
    As the nations of Earth collapse into chaos amid a steadily worsening environmental catastrophe, Iris makes the choice to leave her dying world behind and seek refuge on the far-off planet of TraoX39, where human females are in high demand as brides. But upon her arrival, she soon realizes that her new life will be far different than she was led to believe...
    Categorized as:
    m-f  bdsm  science fiction  aliens  menage  m-f-m  spanking  slavery
  • Our Pet by S.M. Matthews

    Our Pet by S.M. Matthews

    Rated: 3.48 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 38 ratings
    Abducted by aliens? Yes. Mistakenly bought as a family pet? Yep. Actually, unexpectedly starting to enjoy the ride? I just might be. I've been abducted, sold, and then sold again, all before I even knew what was going on. Luckily for me, I might just have been bought by the three nicest....guys....in the universe...
  • Princess Ballot by Jaymin Eve, Tate James

    Princess Ballot by Jaymin Eve, Tate James

    Rated: 4.30 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 58 ratings
    You have been chosen. Those four words change Violet Spencer’s whole life, when against staggering odds, she's selected in the "princess ballot." Arbon Academy is affectionately known as the school for Royals. Only the rich, powerful, or heir to a throne gain entry ... except for the one scholarship student accepted every five years...
  • Wyvern's Gold by A.H. Hadley

    Wyvern's Gold by A.H. Hadley

    Rated: 4.51 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 16 ratings
    Dragons are a myth. Heroes are a reality.Six hundred years ago, humans retreated underground. Our Elders said our sins were why. Ever since, the battle between Heaven and Hell has raged on Earth's surface. Only becoming truly righteous can save us.It was a lie.Stories of dragons willing to devour us and wild men who will torture us keep the population in line...
  • Iron Widow by Xiran Jay Zhao

    Iron Widow by Xiran Jay Zhao

    Rated: 4.12 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 137 ratings
    The boys of Huaxia dream of pairing up with girls to pilot Chrysalises, giant transforming robots that can battle the mecha aliens that lurk beyond the Great Wall. It doesn't matter that the girls often die from the mental strain. When 18-year-old Zetian offers herself up as a concubine-pilot, it's to assassinate the ace male pilot responsible for her sister's death...
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