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Extinction Cycle

When a man-made viral bioweapon escapes a top-secret lab, the world faces a crises unlike any it’s ever known. Within months, billions die, viruses spread, and the human race teeters on the brink of extinction. Faced with complete annihilation, scientists release a new bioweapon that kills ninety percent of the infected population, but the remaining ten percent transform into even more terrifying creatures called Variants. These monsters evolve into the ultimate predator, with the ability to see in the dark, heal quickly, and climb walls.

Throughout the world, men and women band together to fight the evolving monsters in an effort to save humanity. You are invited to tell the stories of these heroes who stand their ground, stories of battles where thousands lose their lives, stories that explore the human spirit—defiant against overwhelming odds, fighting to take the world back from the monsters and the government that accidentally created them. Welcome to the Extinction Cycle World, where no character is ever safe.

Content Guidelines

Be sure to read and follow the Content Guidelines while writing your story. Your story will be reviewed and will only be eligible for publication if the Content Guidelines are followed. See our Help pages and the Most Common Failures for more information.

  1. Respect the Rights of Others: We take violations of laws and proprietary rights very seriously. It is your responsibility to ensure that your content complies with all laws and does not violate the copyright, trademark, privacy, publicity, or other right of any other person. The use of unauthorized third party intellectual property (including but not limited to characters, logos, or lyrics) is prohibited.
  2. Create High-Quality Works: An excellent customer reading experience is paramount to Kindle Worlds. Poorly formatted books and books with misleading titles, cover art, or product descriptions will not be published. We reserve the right to determine whether content provides a poor customer experience.
  3. Promote Your Creative Vision: Your writing and vision should be the focus in your Kindle Worlds fiction. Paid advertising or excessive use of brand names is prohibited.
  4. Cultivate One World at a Time: We don’t permit crossovers from other Worlds, meaning your work may not include elements of any copyright-protected book, movie, or other property outside of the elements of this World.
  5. Choose Your Words with Care: Offensive content is prohibited, including but not limited to racial slurs, excessively graphic or violent material, or excessive use of foul language.
  6. Craft Romance with Intention: Sexual content (including erotica) is permitted, but we don’t accept pornography or offensive depictions of graphic sexual acts.
  7. Avoid Certain Characters: You are not permitted to use original characters created by other Kindle Worlds authors writing in this World. Additionally, some of the characters appearing in the World’s canon are not included in your license to write in this World. The characters that should never appear in your story as the primary character are Joe “Fitz” Fitzpatrick, Apollo, and Reed Beckham. This guideline provides a limited exception (for characters only) to the license we grant to you in clauses 3(a) and 3(b) of your Kindle Worlds Publishing Agreement.
  8. Keep Your Rights to Your Characters: You will keep all rights to any original characters (whether new or previously published) you introduce to this World through your Kindle Worlds story. This guideline provides a limited exception (for characters only) to the license you grant to us in clause 4(b) of your Kindle Worlds Publishing Agreement.
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