Best Sci-Fi Novels

The apocalypse struck without warning, unleashing zombies, mutated beasts, and dimensional rifts. While everyone else awakened a single talent—Fire, Ice, Strength—I received the one everyone called worthless: Copy. But they never realized what I could truly do. I can copy any talent I touch, from an S-Rank Fire Mage to an SS-Rank Assassin to Goddess-Level Charm. Now, in a broken world fighting to survive, I'm gathering the strongest talents and building the ultimate shelter. One copy at a time, I'll rise through the end of the world as the strongest.

During Lorenzo Alvarez's mafia coronation, Isabella Valenti prepares to reveal her pregnancy, heartened by his public displays of devotion. However, the facade shatters when she discovers him with a dancer, dismissing their relationship as lacking passion. Devastated by his infidelity and casual deception, Isabella realizes her life is a lie. Instead of confronting him, she secretly accepts an invitation to a high-stakes confidential experiment, seeking an escape through science.

An anniversary of five years should be a joyous milestone, yet she finds herself enveloped in an unsettling, heavy tension with Dorian. Amidst glowing candlelight and her favorite white gardenias, his desperate, unwavering gaze suggests she might disappear if he dares to look away. Beneath this romantic facade lies a dark, sci-fi mystery where intense devotion borders on obsession, and the fragile truth of her actual existence hangs in a dangerous balance.

After seven years of marriage, I discovered my life was a fabrication. My husband, Brendan, had been entangled in a four-year affair with Kiya, my own intern and protégée. Even as he promised me eternal devotion, Kiya was pregnant with the child he always denied me. Betrayed by those I trusted most, I felt my world collapse. Instead of seeking revenge, I contacted a neuroscientist for an irreversible procedure to erase every memory of Brendan forever.

Following his engagement party, a man receives a chilling video call from his dying future self. The caller warns him that his fiancée, Chloe Lambert, is deceiving him: her pregnancy involves her male best friend, and the luxury flat they planned to buy is an overpriced trap to clear her friend's debts. To escape a future of betrayal and ruin, he must ignore the luxury home and purchase a rundown suburban unit at 28 Franklin Street, which is destined for a massive buyout.

After a life of academic success and a happy marriage to Dario Bivona, Livia is thrust back in time. Her sister Regina, remembering her own previous demise as a discarded mafia heiress, orchestrates a cold-hearted swap. Regina claims Livia’s peaceful future and Dario’s protection, leaving Livia to face the brutal Etalian underworld. Now the unwanted principessa, Livia must navigate a world of crime and sci-fi AI innovation while her former family turns their backs on her.

Manhattan burns under a low fever of sirens as the internet counts down six hours to an asteroid. Alone in the penthouse, ice melting in her glass, she opens a livestream and sees her husband Dominick—shirtless, his watch still on. That screen exposes the truth: he already used her pregnancy to save his mistress. Now, with the world ending, she must decide what to salvage from a marriage built on wealth and lies. In this billionaire romance, the man she trusted becomes the danger she never saw coming.

After his twin sister is kidnapped, Zachary faces relentless hatred from his father, who accuses him of theft and betrayal. When Zachary disappears, his father celebrates his absence by spreading malicious lies. Five years later, advanced technology projects Zachary's extracted memories onto a public screen. As the devastating truth comes to light, the father who wished for Zachary’s death is broken by remorse, begging for forgiveness upon learning of his son’s ultimate fate.

After crashing her starship, scientist Elara is captured by hostile beastmen who sentence her to burn. To survive, she secures a three-day reprieve and finds food with the help of Bronson, a powerful saber-toothed tiger shifter. Despite her efforts, the jealous priestess Chelsea declares her breeding property, inciting warriors to fight for her. As five challengers approach, Bronson claims her as his mate, defying the tribe to protect her from a brutal fate.

After choosing a perfect life over quest rewards, a pampered daughter is discarded when the Langfords' biological child, Carrie, arrives. Her billionaire father cages her, her mother breaks her leg, and her scientist brother replaces her heart with an artificial one to save Carrie. Upon her death, a dormant system awakens. To revive, she must strip her family of the wealth, talent, and intellect she once provided. This dark fantasy novel follows her path to reclaiming everything.

After her fiancé Nicholas Olsen abandons their engagement party to feed another woman and her brother Brandon Lewis scolds her for being selfish, the protagonist decides to sever all ties. While her family ignores her departure to enjoy a vacation, she enlists in a high-stakes, classified government research program. By the time they attempt to reconcile weeks later, she has committed a decade of her life to the nation and vowed never to return home, leaving them in a state of total panic.

Strangers awaken inside a living structure with no memory of their arrival. The walls breathe, the lights pulse like a heartbeat, and a mysterious livestream system broadcasts their every move to millions. Forced into brutal psychological death games, they quickly learn that fear is part of the experiment. At first, survival means obeying rules and passing trials. But the deeper they descend, the more reality fractures. Memories vanish. Emotions bleed between minds. The system begins synchronizing their thoughts, their fears, even their identities. Then the horrifying truth emerges: the system isn't trying to kill humanity. It's trying to evolve it beyond individuality itself. Now the players must decide what's worse, dying as humans or surviving as something else entirely.

After eight years together, Claire Young shocks her partner by revealing she married her childhood friend, Stan. She forces her long-term lover into a guest room and demands he stop his hobbies to accommodate her new husband. While Claire and her social circle mock his departure as a dramatic stunt, they remain unaware of the truth. He has been inducted into a classified national weapons program. As they bet on his return, he prepares to vanish into a world of high-stakes science and military secrets.

When Joyce posts a viral panic piece about an imminent asteroid strike, her melodramatic claim seems laughably fake. But the joke is on the narrator when her husband, Chase—an astronomy professor—demands an immediate divorce. Despite knowing the cosmic collision is actually seven years away, he refuses to waste what Joyce believes is their final month together. Realizing her husband will blindly trust his first love's foolishness over their marriage, she gladly grants him his freedom.

Alma James is devastated after catching her husband, Jude Gilbert, cheating again. Facing cold divorce papers, she is about to sign when she receives an impossible video call. The caller is her future self from ten years later, wealthy and poised, with an urgent warning: do not sign! Jude is destined to die in a month due to his mistress's mistake. If Alma stays married, she inherits his vast fortune. Tearing up the papers, Alma plays the dutiful wife and waits for her massive payday.

High schooler Seamus expects a bright future until a video call connects him to himself ten years later. This sci-fi romance and mystery reveals a devastating betrayal. His girlfriend, Zoe, is sabotaging his SATs with vanishing ink to ensure his best friend Johnny becomes the top scorer. Instead of a PhD and a happy marriage, Seamus faces academic ruin and heartbreak. He must now navigate a web of lies to prevent his life from being destroyed by those he trusts most.

Determined to reclaim her independence, a medical researcher accepts a position at Melvin Clark’s prestigious pharmaceutical institute. Despite her husband’s deep devotion, she chooses to move abroad alone, insisting the decision is hers alone. However, her departure involves more than a career change. To fully sever her ties, she volunteers as a human subject for a confidential memory-erasing potion, risking her past for a blank future.

At the sterile Oakmont Robotics Institute, Professor Laura confronts her own double. Model 001 is a humanoid robot engineered to be a 99.9% match of Laura herself. The plan is set: in two weeks, this synthetic duplicate will step into Laura’s marriage, freeing her to start anew with a fresh identity. To ensure a clean break, the android is programmed to simulate cancer and pass away within a year. But as Laura stares into the blank, empty eyes of her replica, the reality of her escape begins to set in.

After being betrayed on Christmas Eve during the apocalypse, the protagonist is reborn with a powerful Simp System. In his past life, he sheltered Victoria Blake, only for her to lead Tristan Cole to his base. Labeled a mere lapdog, he was cast out to a zombie horde while his enemies laughed. Now, armed with a second chance and a new system, he embarks on a mission of cold retribution against those who exploited his kindness and left him for dead.

Haunted by ten years of his wife Sophia’s resentment, the protagonist faces a crushing reality when she dies saving his life. Her final words and her parents' bitter grief confirm that their marriage was a mistake. When a time machine is invented three years later, he seizes the chance to travel back to the past. This time, he decides to grant everyone’s wish by severing his connection to Sophia entirely, ensuring their paths never cross again to save her from her fate.

Betrayed by her fiancé Hazen and protégé Bianca, elite agent Echo was framed and tortured by those she once protected. To escape the agony of their lies and her shattered life, she underwent a procedure to erase her memories. Now living as Evelyn, a quiet bookseller in Vermont, her peace is shattered when a mysterious man enters her shop. He calls her by a name she no longer remembers, threatening to unearth the dark past she chose to forget.

As the designated partner for tech tycoon Caspian Lockhart, my emotions are treated as system errors. For five years, his brutal "Emotion Calibration Bracelet" has shocked me whenever my heart rate spikes, while his socialite companion Miley remains perfectly serene. When my love triggers a lethal malfunction that floods my veins with neural inhibitors, Caspian dismisses my agony as a pathetic plea for attention. Left to die on the floor, I finally accept my fate as an unfixable bug.

After surviving a brutal zombie apocalypse, Althea and the final one percent of humanity are suddenly transported to an alien world by a mysterious system. Armed with a rare Lord Token, Althea is granted the power to establish a safe territory for her displaced people. But as a pregnant mother-to-be separated from her husband in this strange new realm, she faces her greatest challenge yet: building a secure home for her unborn children while searching for her lost love.

Left to perish in the scorching desert by her husband Owen while in labor, Wanda Winfield dies harboring absolute hatred. She was punished for refusing to use her unique Frost System to save his pregnant mistress, Lesley. But when Wanda suddenly wakes up a day before the apocalyptic heatwave begins, she finds herself back in time. As Owen prepares to move his lover into her home once more, Wanda resolves to use her system and her second chance to send them both straight to ruin.