: Available at Amazon , this collection includes mid-range rated cult films like The Monolith Monsters and The Mole People . Recommended "10/10" Sci-Fi Thrillers

: Widely considered a masterpiece, exploring a future where humanity has become infertile. SCI-FI | THRILLER MOVIES - IMDb

: The final confrontation where survivors must choose between their own safety and the essence of their humanity. Other Sci-Fi Thrillers with ~5.5 Ratings

by Van Ris : A newer sci-fi thriller available on Amazon Kindle .

by Blake Crouch : A high-stakes thriller involving parallel universes.

If your search for "5.5 / 10" was a typo and you actually want top-tier "10/10" recommendations, experts and readers on Reddit and Goodreads suggest:

This young adult post-apocalyptic trilogy follows Cassie Sullivan as she attempts to survive a multi-stage alien invasion.