what are the common tropes in alien invasion stories

The Divine Doctor's soul transmigrated into a female-dominated dynasty, where the original owner had an infamous reputation for cruelty and left behind a mess. Her house was empty, the thatched cottage leaked rain, and the grain bin was already bottoming out. Faced with her handsome husband and then glancing at her own homely appearance, she dashed on the grand avenue toward becoming a Steel Teeth Rabbit! Dare to covet her husband? Beat them up, there's nothing that can't be solved with fists! If there is, just keep on beating! Poor? Utilize Medical Skill, fragrances, textiles, fine food, wineries, get into business, open shops, hire workers, but wait a minute... Why does one after another always make a fuss about running away from home? Good, this time she'll be the one to skip out and let him worry, hmph!

“The three elements of the easy mode of life: extraordinarily handsome appearance, exceptionally intelligent mind, and a healthy and strong body, and I have them all.” Reborn in a parallel world, the disciplined and outstanding high school student Yan Huan is preparing to welcome his glorious days. However... a decade later, he is spotted by five girls with strangely unique abilities. "...We all need to be full of positive energy." Faced with the eager and aggressive girls, Yan Huan, who only reads the classics, says so.

The abyss invades, leading to the digitization of the world. This isn't a game, but a confrontation between the world and the abyss. Losing means losing our homes, and the defeat of human civilization means its end. There are no winners...at least there never have been before. Lu Heng once again stands at the starting point of the abyss' arrival, resolutely picking up the crystal core, embarking on a path strewn with blood and thorns... The abyss battlefield countdown begins: 3 hours... [Battlefield mode: Desert Escape Killing] [Main Quest: Survive three days] [Awakened initial talent 'Divine Evolution', breaking the skill level limits and elevating skills to a higher form.] The abyss invades various celestial civilizations, with cyber civilization, dark iron dwarf civilization, elves civilization... appearing in turn.

(The Horror World is here to wish you an early death and a quick rebirth, and you may go crazy even if you don’t die.) You may not believe it, but when others are still struggling in the Horror World, trying to find a glimmer of hope for life! I've mastered all the dark dealings in the horror world. Horror World Ghost League. "I'm reporting with my real name! Chen Gang is a gangster!" Chen Gang, who was sitting in the main seat, slowly raised his head. "Who are you and why are you suing me?" Chen Gang patted the ghost on the shoulder. "Don't be stupid, brother, this is a horror world, where does the underworld come from?" "Brother Gang appreciates your courage to report your real name regardless of your own danger, but you are reporting me, and Brother Gang is very unhappy."... "Chen Gang , you only know how to fight in groups! You can fight with me in a fair 1V1 if you can!" Chen Gang looked at this guy who was having a heated fight with his lv35 bodyguard. He looked up again and looked at the lv80 level above his head. asked tentatively. "How about you commit suicide?"

Despair loomed over the globe. All resources were exhausted, and hope was all lost. When three-player chess that will decide the lives of billions of people was at its zenith, a portal appeared in the sky. Monsters, bigger than the biggest animal, harder than the hardest metal poured out of the abyss... Putting aside their differences, humanity united to fight against their common enemy. But the weapons were ineffective. The most powerful weapons of science could not do even the slightest bit of damage to monsters. While desperation reigned, science prevailed, and laser weapons were born. The first blood was spilled... The first monster was killed! However, it wasn't laser weapons that allowed humanity to win the war, but a piece of orb found in the monster's brain. When supplied with electricity, the orbs would turn into pre-determined objects. These orbs turned into weapons that could damage monsters, and the more monsters were killed, the more weapons were found. With the newly looted weapons and the determination of humanity to get rid of this disease, the monsters were pushed back. At that moment, a messenger flew from the portal in his radiant form. An Artificial Intelligence produced by the native race living in the Portal World... Called Mother AI by humans, this object used the miracles of the alien world to help humanity close the portal. With these miracles, humans awakened superpowers to fight against monsters. An unfortunate teenager, Miles Cross, was born with dormant Ancient Genes and failed to awaken his superpower. Instead, he used every means to get stronger... Disclaimer: This is a work of fiction. Names, characters, business, events and incidents are the products of the author’s imagination. Any resemblance to actual persons, living or dead, or actual events is purely coincidental. Discord: https://discord.gg/dNNYQSEuRE

On the surface, Zhou Qingfeng is an international student from Baitan High School, and now he is staying at Julia's home. In fact, he is reborn. With the memory of more than ten years later, in order to avoid the disasters that will be faced in the next ten years, Zhou Qingfeng, in addition to being a young and frivolous international student, secretly investigates a biopharmaceutical company called "Apocalypse". The gears of fate begin to turn...

At the very beginning, Zog the Red Dragon simply wanted to make a little cash. He carved runes into yo-yos so that their tricks would produce actual, dazzling light effects! He created trading cards capable of summoning holographic illusions, driving the price of a single rare card higher than a Tier 6 spell scroll. He even handed a Zor a mana-powered electric guitar, sparking a massive rock-and-roll revolution. Under his influence, Dwarves and Elves willingly sat in the same room to team up in co-op games, while commoners and nobles wept together over the exact same soap operas. The Dragon-Slaying Knights? Please! The dragons they rented to shoot their promotional videos were all contracted actors from Zog’s talent agency! Before he even realized it, this draconic anomaly—who refused to engage in mindless slaughter—had amassed a hoard of gold coins taller than a mountain. The Holy Church declared that he was bewitching the minds of the masses, but the people firmly chose to stand by his side. Facing the now completely isolated, century-old Pope, Zog smirked and mocked: “Culture Victory, kid.”

Kedatangan alien ke bumi, menjadikan manusia sebagai inangnya. Membuat manusia berubah menjadi sosok monster mengerikan dan dikendalikan oleh mereka. Ken Kudoroki, seorang ilmuan yang menantikan buah hati bersama istrinya Annette Akira. Mengalami kejadian yang tidak pernah dibayangkan sebelumnya. Ketika alien merasuki tubuhnya, menjadi parasit yang mengubah hidupnya. Sewaktu ia tersadar, ia perlahan meneliti dan menciptakan sebuah alat untuk bisa mengendalikan diri dari parasitnya. Ken memburu dan membunuh seluruh alien dengan bantuan alat dan memanfaatkan kekuatan alien itu sendiri. Di lain sisi, ia juga merindukan hari bahagia bersama istri dan anaknya dan mencari keberadaan mereka.

William Carter, a nuisance streamer, met his end in a predictably stupid way and was offered a second chance by an overworked Lord of Death. ​Reborn in a ruthless Xianxia world as Wei Chen, he has a new mission: to use his entire skill set and a divine streaming kit to reduce the realm's astronomically high death rate from constant sect wars, conflicts, and the number one cause of death.... the all-powerful "Courting Death." Live on Stream: Wei Chen: "If those so-called 'trash' underdogs were truly incapable of cultivating, why would every Jade Beauty in the province be obsessed with them!?" Wei Chen: "Think, Young Master! Think!" Young Master: T_T

The Alien Within Grinwall is no ordinary country, and Riverdale Academy is no ordinary school. Both are covert battlegrounds where powerful beings, hidden identities, and secret alliances shape the destiny of those who inhabit them. Among these is Tessa Caldwell, a Kaelrian alien with unmatched speed and a mysterious, water-like fragrance. Adopted by her teacher, Ms. Caldwell, Tessa tries to blend in, but her distinct blue eyes betray her origins to those who know where to look. Her life changes when Adrian, a fellow Kaelrian with a fiery aura and god-like confidence, arrives at Riverdale. Their connection is undeniable, but it attracts dangerous attention. When Adrian’s alien nature is revealed during a dramatic hospital incident, chaos erupts. Government agents are dispatched, and Principal Hammond is forced to defend Riverdale’s reputation, as students react with fear, admiration, and jealousy. Bridget Mills, Tessa’s rival, mocks her defeat by claiming she lost to an "alien," while others, like Oxlade and Karl, recount how Adrian saved them. Yet the growing tension at Riverdale is only a glimpse of greater dangers. The SSG organization, a sinister force with eyes on Tessa and Adrian, is joined by an even darker figure: Ikehara, the shadow of the sun god, and a loyal follower of Rhemon, a devil with a grudge against Solaris the true sun god, whose plans threaten the survival of the Kaelrians loyal to Solaris and Lunara (moon goddess). In the midst of a high-stakes escape from SSG, Tessa and Adrian encounter the mysterious Rhemonic people. The Rhemonics, regarding Tessa as the successor to their moon goddess, worship her, forging a powerful alliance. This new found bond brings new challenges, including a dangerous quest to gather ingredients to awaken the Rhemonic people from their limited lands and blocked memories, a curse wrought by Rhemon—a devilish force once thought to be their salvation. As Rhemon rises, threatening to control both Kaelrians and Rhemonics alike, Tessa and Adrian’s mission becomes a race against time. Along the way, Tessa uncovers her heritage as the daughter of Lunara, the moon goddess, and Solaris, the sun god. Adrian, the son of Solaris and a maid, shares a complex, divine bond with Tessa, yet both are haunted by the legacies they inherit. Amidst this conflict, Ashley Duve, a woman who shares the bed and secrets with Rhemon, fools Tessa into believing she was the moon goddess, and she entered her conscious thought, gradually eroding it away while she appears helpful and wise and seemingly innocent, Ashley’s actions soon reveal her true agenda. She uses her powers to impersonate the moon goddess, taking over Tessa’s body, manipulating events to help Ikehara gather the ingredients needed to awaken Rhemon. As Ashley’s allegiance becomes clear, Tessa and Adrian realize they cannot trust anyone, not even those closest to them. Against overwhelming threats, Tessa and Adrian must fight not only to protect each other but also to save their world. Grappling with questions of identity, loyalty, and love, their journey unfolds across various chapters of betrayal, alliances, and epic confrontations with cosmic powers. Only by unlocking the potential within themselves can Tessa and Adrian hope to survive this battle, protecting the very essence of their people and the world.