Hard Science Fiction

I am a time traveler from the modern world.

For three years, I traveled back and forth to the wasteland. By supplying clean water and food, I elevated a lowly scavenger into a wasteland lord commanding thousands of armed men.

But just as I finally found a way to end the apocalypse, she turned around and slept with a local thug.

Together, they plotted to steal the secret of my time machine, kill...

In my previous life, I gave away all my resources to save people, but my godfather broke my legs and fed me to the zombies.
Reincarnated 30 days before the apocalypse, I borrowed millions to build a nuclear-proof bunker and bought twelve retired, violent, and rabid dogs.
Extreme cold descends. With nowhere else to turn and in a desperate attempt to survive, the priest forces a space-age ability us...

I was bought into this world. For twenty-three years, my adoptive mother swept floors, scrubbed toilets, and endured endless orders from others just to keep me alive. Then one day, I discovered she had been depositing forty-four thousand dollars into an overseas account every single year for two decades. They called it a "custody fee". When a mysterious organization showed up, slammed coins in he...

I am the chief architect of a quantum computing system valued at hundreds of billions in the real world.
For an AI test subject that I wrote myself, I was willing to conceal my identity as the creator and become her unseen, low-level assistant, even at the cost of taking a fatal blow for her.
Just as she was about to go public and reach the top of the conglomerate pyramid, she unhesitatingly pushe...

In this apocalyptic world of extreme heat, I fight for water in the underground black market, and I risk my life to hoard supplies.
My internet-famous roommate enjoyed my efforts while hiding in the air-conditioned room, panting softly in front of three fill lights: "We need to slow down and reconcile with nature."
Later, she stole my supplies and sold them to drug lords, causing me to be roasted...

When the vaccine turned into a deadly virus, the dead rose with blood-red eyes. Marcus lost his lover in the apocalypse, discovered the dark conspiracy behind the zombie hordes. From a desperate survivor to a cold hunter, he burns for revenge and fights to save the last of humanity in the ruined world.

I remember that frost-covered train door like it was the last thing I ever saw. Because it was.
The escape spot I’d spent three years scraping together? My fiancée was sitting in it, wearing my parka. Her brother had my hiking boots on his feet. Her mother clutched the medical kit I’d carried six miles through ash-covered roads. And Caleb Frost—the ex she’d sworn was just “someone from the past”—s...

It had only been seventeen minutes since my wife passed away. My daughter was sobbing on the phone.

"Dad, they're trying to drive me out."

I stared at the medical report in the doctor's hand.

The first natural antibody carrier.Toxin levels in the blood: zero.

The same poison that killed my wife, that killed my six-year-old son…had left me completely unharmed.

The doctor lowered his voice."Mr...

In my third year at the Eden Center, I forgot how to play guitar, forgot the rhythm of rock and roll, and forgot the name Melody.
They used twelve thousand electric shocks and seven hundred hours of sleep deprivation to scrub my name down to Number 2963.
Now, I'm their perfect instrument. No preferences, no pain, only commands.
My parents finally got the perfect daughter they'd always dreamed of—u...

For half a box of rations, my former comrade put a bullet in my back. As I gasped my last, the world reset—three days before the apocalypse. I didn't go after him for revenge. I floored the accelerator, racing toward the Texas borderlands where my grandfather—a Vietnam veteran—had spent forty years hoarding "junk" that everyone mocked. When the heat turned the earth into a furnace and Drake’s war-...

"I was bonded with an alien system that issued nothing but 'benevolence' missions.
Supply food to violent thugs, shelter the mutants, embrace the Zombie King, and share our planetary defense technology with the entire world.
It claimed that as long as we were merciful, the civilization could survive.
I nodded, then promptly tweaked the task annotations.
I laced the food with neuro-suppressants, ...

The more I cry, the hornier my sister gets.

Not a metaphor. Stone cold reality. Me and pop superstar Melody share a sick "emotional link" — the worse I suffer, the more she glows on stage.

My husband Christian discovered this secret.

Then he chose to betray me and crawl into bed with Melody.

Now every time Melody has a big show, Christian locks me in the basement, force-feeds me depression pil...

After the apocalypse began, my husband's female assistant stole my viral experiment data for the ninth time. I couldn't take it anymore and confronted her publicly.
My husband said I was just jealous of her, punished me by making me apologize to her in front of everyone, and demoted me.
Later, he sweet-talked me, promising compensation.
The next day, his true love showed up at the lab wearing his ...