Best Sci-Fi Novels

After sacrificing her family ties to support Leon Burton at the Aetheris research institute, the protagonist faces a heartbreaking realization. When Leon discovers a new asteroid, he immediately names it after his first love, Phoebe, ignoring the woman who has cared for him in the harsh environment. Witnessing this public display of lingering affection, she decides she can no longer stay. She calls her mother to announce her departure and her intention to marry Nathan instead.

After fifteen years, her marriage is dismantled when Oliver reduces their life together to data points for Heartline, an AI romance app. Nicknames, arguments, even a voice note from her darkest hour—all sacrificed as training material. With journalist Theo Mercer uncovering the truth, she must decide whether to expose the betrayal or let Oliver claim her story as his own.

Susie Chance claims to value equality, yet she forces a medical chip into her partner's body to absorb her childhood sweetheart’s cancer pain. While he collapses in agony during a surgery transfer, Susie remains by her friend's side. Her demand for a symbolic wedding with the other man, despite legal promises, pushes her partner to the brink. Instead of accepting her twisted sense of fairness, he returns her ring and boards a one-way flight to start a new life far away.

After five years of sacrifice, Elena is thrown to the zombies by the boyfriend she kept alive and the best friend who used her. As she dies, she learns their cruelty was planned all along. Then she wakes ninety days before the outbreak, armed with the Apocalypse Survival System. While the world ignores heatwaves and poisoned rain, Elena severs every tie, drains her savings, and turns an abandoned mountain station into an unbreakable sanctuary. As cities fall and zombies evolve, she faces raiders, factions, and her own past. Meanwhile, the ex who mocked her discovers her fortress is the only safe place left—and the woman he betrayed controls the gate.

For seven years, Cassidy suppressed her MIT brilliance and design fame to play the perfect wife to billionaire Cornelius Lambert. Her world shatters when she finds him celebrating with his lover and their son, who wishes Cassidy were gone. After discovering a recording proving she was merely a temporary shield, Cassidy is physically assaulted by his guards to hide his infidelity. Bleeding and betrayed, the tech genius finally awakens to reclaim her power and destroy him.

Maya Cross wakes trapped in the body of a sadistic villain who enslaved and tortured five powerful beastmen. She finally holds the power to free them—Caleb, Finn, Sage, Hunter, and Jasper—but they're stranded on a dying ship surrounded by Zerg swarms with no rescue coming. Each beastman bears scars from her cruelty, and their hatred runs deep. Maya draws her own blood and offers a deal: protect her until she finds her father, and she'll give them what they need to break the bond. But survival demands trust, and her victims must decide whether to accept a torturer as their savior—or choose revenge over rescue.

In this sci-fi horror, a scientist mother implants chips into her twins to monitor their honesty. While Ryan’s device rewards his malice with smiley signals, the female protagonist suffers agonizing shocks for minor errors. Brainwashed into believing she is a habitual liar like her father, she endures years of systematic abuse. On Christmas Eve, a genuine asthma attack is dismissed as a deceptive plea for attention. Left to die in the attic, she finally accepts her mother's dark reality.

After waking from a three-year coma, Sarah discovers her life has been stolen. Her husband, David, is entangled in a scandalous affair with their live-in nanny, Elena, who has usurped Sarah's place in the household. Devastated and seeking justice, Sarah utilizes a secret experimental technology to reclaim her identity. As she navigates a web of betrayal and high-tech deception, she must expose the truth before her family is lost to Elena's schemes forever.

In New Lyra, technology has commodified sacred soul-bonds. Mira Voss, a cynical half-wolf information broker, lives by avoiding pack alliances. But when she steals a classified file detailing the BondForge conspiracy, she becomes the prey of merciless synthetic alphas. To survive, Mira reluctantly partners with Rae Callen, a secretive rogue alpha who holds the keys to her forgotten past. Together, they uncover a dark corporate plot, realizing Mira is the ultimate blueprint.

Created by Sophia Brooks to be her lifelong companion, a robot's world shatters when she vanishes in a shipwreck. For three years, he is left behind with only her broken promise. When news finally arrives that Sophia has survived, his hope is crushed by a cruel reality: she has returned with no memory of her past. Having forgotten everyone, including the loyal creation she once swore to cherish, she has abandoned him to a cold, forgotten existence.

When a catastrophic deluge struck, my selfish parents stripped away their masks, forcing me into the rising waters to scavenge for food. Unable to swim, I met a grim end in the depths while they safely hoarded their secret stash. But death wasn't the end. Reborn two weeks prior to the apocalypse, I now hold the ultimate advantage. This time, I will secure my own survival and feast in comfort while watching the very people who betrayed me desperately beg for a lifeline.

After his mother disappeared on his tenth birthday, his father exiled him to a boarding school for eight agonizing years. But the ultimate betrayal occurs on an operating table. As he lies dying, his father is next door, orchestrating a horrific sci-fi procedure to transplant his brain into his beloved adopted daughter, Yuki Smith. Dismissing his son's final pleas as mere attention-seeking dramatics, the heartless father comforts Yuki instead, promising to save her at any cost.

In a society ruled by Arcane Energy, Levi’s brilliant intellect is deemed useless due to his fragile physical form. However, a sudden dimensional gate disrupts his Awakening ritual, granting him a unique system that converts his mental fortitude into physical and magical supremacy. No longer the powerless disappointment of his family, Levi learns to subjugate dungeon bosses as personal summons. He must rapidly grow stronger to rescue his kin and defend Earth from invading gods and alien empires.

On her thirtieth birthday, she sits alone waiting for her husband, Tim Armstrong, who is supposedly working late. After making a private online wish for their future, she receives a shocking notification. Two mysterious comments appear on her private post, warning her that Tim has already fallen in love with another woman named Pansy Dickerson. This sci-fi mystery romance unfolds as a chilling message from the future shatters her reality, revealing a betrayal she never saw coming.

After Kevin Mosley claims a chatbot secured his admission to Starvard University, Daryl Greer points out the AI's hallucinations. His skepticism leads to a fatal confrontation with classmates who are desperate to believe the lie. Following his sudden death, Daryl regresses to the moment Kevin makes his announcement. Having experienced the lethal cost of intervention, Daryl chooses to remain silent this time, watching as his peers gamble their futures on an AI's false promises.

As a zombie apocalypse reshapes the world, a mysterious system limits every survivor to three guardian pets. In the LitRPG adventure Turns Out Cats Are Endgame, others secure powerful lions and crocodiles, but the protagonist is left with three disabled stray cats. Believing he is doomed, he hides away until his feline companions return from the streets. To his shock, his blind and lame cats have evolved into lethal hunters, clearing entire blocks of the undead to protect their owner.

As civilization falls, Ryan Black is reborn with the gift of Limitless Growth. Haunted by betrayal, he conceals his evolving power while observing his enemies. His ex-wife, Sophie, begs for the protection of a man who no longer exists, while his former commander, Elias Grant, faces a slow, psychological collapse. Ryan isn't interested in heroism; he seeks to reclaim his identity and dominance through calculated revenge in a dying world.

In a world scorched by a heatwave apocalypse, Nora and her husband Rhett live in the safety of the Level Two underground city. Their peace shatters when Rhett brings a woman named Anna from the slums, demanding that Nora trade places with her to save the stranger's life. Cast out from her home, Nora refuses to suffer in the Level Three slums. Instead, she contacts the elite Level One to join a high-stakes project aimed at ending the global catastrophe forever.

Derek McCoy’s brutal life of survival ended when he died avenging his murdered brother. Instead of peace, he undergoes a cycle of reincarnation, eventually awakening as an infant in a strange world of magic and monsters. Broken and deeply cynical, Derek cares only for his own advancement. Yet, as he climbs the ranks from a grieving soul to an alien soldier, and ultimately to the Supreme Magus, this self-serving protagonist must undergo profound personal development to survive.

During his wedding night, a man locked himself in his study, ignoring his wife's desperate cries for help as she was attacked. Traumatized, she leaped from a window and lost consciousness. Despite her family's pleas, the husband claimed ignorance and refused to cooperate. Half a decade later, his vengeful brother-in-law forces him into court. Utilizing advanced memory-retrieval technology, the court replays his hidden recollections, exposing a truth that leaves everyone utterly devastated.

When my newborn daughter faced a life-threatening crisis, my husband made a chilling choice: he prioritized his humanoid robot’s repair over our child’s emergency. This devastating betrayal shattered my world, exposing his true obsession with technology over our family. Now, I am determined to leave this hollow marriage and protect my baby from his cold indifference. It is time to start over and find a future where my daughter is finally the priority.

Framed for a tragic crime by her billionaire lover Ethan Bo, Sophie Zhi returns to Jiang City after six years in prison. Now a rising jewelry designer, she seeks retribution. However, a hostile AI embedded in her skull forces her to escalate Ethan's hatred to maximum, or face immediate death. As she shields their secret son from the corporate conspiracy, Sophie is pulled into a high-stakes sci-fi mystery. To survive, she must decide whether to ruin the man she once loved or rewrite her destiny.

Benjamin Ward’s life work, a medical AI capable of curing terminal illness, is stolen, leaving him paralyzed and broken. When his son discovers the thief is Grayson Vale, the celebrated first love of his own girlfriend, Maris Dawn, the betrayal cuts deep. Instead of seeking justice, Maris protects Grayson’s rising career and offers a ten-million-dollar bribe to buy silence. Refusing to be silenced by the elite, the grieving son vows to dismantle their future and reclaim his father’s stolen legacy.

After surviving a lethal plane crash, I possess rapid healing and telepathy. Four Primal shifters—a wolf, a bear, a cat, and a prince—claim I am their fated mate. Yet, I am a secret lab experiment engineered for all species. With the Council and Resistance hunting me, I must find Cole Ashford’s killer and protect my unborn baby. Though four powerful men support me, the mysterious Silent Claw watches, harboring secrets that could change everything.