5.5 / 10 Sci-fithri... < Tested & Working >

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:

by Blake Crouch : A high-stakes thriller involving parallel universes. 5.5 / 10 Sci-FiThri...

: Earth is devastated by four waves of increasingly deadly attacks. Cassie is on the run to save her younger brother while preparing for the inevitable "Fifth Wave". If your search for "5

If you are looking for other sci-fi thrillers frequently cited in "Top 10" lists that hover around a mid-5/10 rating, consider these: If you are looking for other sci-fi thrillers

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

: 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

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