What Worldbuilding Tricks Make Sci Fi Thriller Novels Feel Immersive?

When the apocalypse came, she lost everything. Starving, hunted, and desperate, she trusted the one man she loved… only for him to betray her in the cruelest way possible. He stole her last supplies to please another woman and left her to die in a sea of the undead. But death wasn’t the end. She woke up days before the world collapsed. After cutting ties with her ungrateful ex and his parasitic family, a mysterious voice awakens in her mind, LUS, a Level-Up System designed to help her survive the coming end. With knowledge of the future and a system guiding her every move, she begins to prepare. She stockpiles resources, builds a base, and learns how to fight back against the horrors that once destroyed her. And when the apocalypse arrives again… she’s ready. But survival isn’t the only thing waiting for her in this new life. A silent killer who watches her like prey. A manipulative genius who wants to unravel her secrets. A gentle protector who sees the girl she hides. And a dangerous man who thrives in chaos. As the world burns and power shifts, they’re all drawn to her, each with their own motives, each with their own darkness. Even her past refuses to stay buried. Because now, the man who once abandoned her is back, broken, desperate, and begging for a second chance. Too bad she has no time for regrets. Not when she’s busy rising to power… and building a kingdom in the ruins of the world.

When 19-year-old Clara, a village girl, is mysteriously transported 50 years into the future, she lands in the home of a wealthy childless couple. Taken in and enrolled in a prestigious school, Clara must hide a dangerous secret: she possesses supernatural powers that could alter the future. But her past isn’t finished with her enemies from another time are determined to capture her, and only her new friends, tech genius Mike, fighter-in-training James, and clever strategist Bridget, can help her survive. Romance, danger, and secrets collide as Clara navigates two worlds. Can she protect the future without losing herself?

The novel is set in the modern time, its the year 2024 and Callie the protagonist is trying to get into a prestigious art school, she spends a whole day working on her canvas without food, sleep or even water and passes out on the floor, when she wakes up she’s in a familiar but not so familiar attic, same design and outline but the things in it weren’t hers, just as she’s about to completely lose it a boy seemingly two or three years older than her walks in and straight through her. She wakes up on her attic floor covered in paint with a splitting headache, she’s back to normal. She brushes the experience off as a lucid dream but more strange things start happening and Callie realizes that the world she knows is weirder than it seems

---> if you are interested in my work, please check out my novel The Starving Vulture. Available on Amazon, $3.99 for the Ebook and $14.95 for the Paperback https://www.amazon.com/Starving-Vulture-Miguel-Monta%C3%B1a/dp/1951150899<---------The Pacific Capital. A product of an altered world, the legacy of the dead Philippine nation. A congested megacity holding 50 million people all huddled in what was once Metro Manila. It is the center for Pacific Maritime Trade, the world's largest Tax Haven and one of the few places in the world free from the Draconian but necessary environmental laws that saved the world since Cometfall. Ruled by Megacorporations, Corrupt Politicians, Invested Nobility and Criminals. It is one of the world's most important agricultural and pharmaceutical centers. H-6 is an Arbiter of the Court. As Judge Jury and Executioner, they maintain the essential Power Plant Canals and Massive weather controlled Dome Districts. Two elements that even the all powerful Megacorps need maximize their profits. Making Arbiter's Court the true rulers of the city. But even an all powerful Arbiter of the Court like H-6 knows, that Ambition and Greed will always find ways to ignore the rule of Law. Solus Valentine is a Security Consultant, plying her trade to anyone in need. She is a gun for hire who has the street smarts for the city's underworld. Whether in the gilded halls or the most flooded streets, she's ready for your contract. But while completing a contract, she stumbles into a vast conspiracy that just might threaten the city's fragile power balance, if not the world. She just might need an Arbiter's help for this one. One who might be someone from her past.

Anya Moore is a pop sensation with lots of people who look up to her, though her passion is something else. Sadie Ozoa wants to chase her dreams and doesn’t want to take no for an answer, but it feels like she doesn’t have a choice. But unexpected decisions they made had created unfaithful circumstances that have brought two different individuals together. Next unthinkable move: run as far away from the situation that could have led to their wishes. They don’t know how they ended up walking together and they don’t know why. But all they want to do is to escape from the environment they were surrounded in. Anya and Sadie thought they would be distant but with every step they took, they started to know so much about each other and what they have one thing in common: they hated how the world has become. They then thought what if they rebuild Earth where it is all ruled by them--and only both of them. The two then thought what if we start to make it a reality? As they go on the journey to create their own world, Anya sees that Sadie is more than an outcast and Sadie sees that Anya is more than just a star--they are each other’s world. But with the world that is against their odds, will they be able to show their truth? In this first debut comes a coming-of-age story about realizing that in order to survive the world, you must choose whether to follow the rules or break them for the sake of doing something right.

When I loved her, I didn't understand what true love was. When I lost her, I had time for her. I was emptied just when I was full of love. Speechless! Life took her to death while I explored the outside world within. Sad trauma of losing her. I am going to miss her in a perfectly impossible world for us. I also note my fight with death as a cause of extreme departure in life. Enjoy!