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".

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

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: 5.5 / 10 Sci-FiThri...

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. : Earth is devastated by four waves of

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

The phrase most likely refers to the 5th Wave book series by Rick Yancey or its 2016 film adaptation , which holds a 5.2/10 rating on IMDb . The series is a prominent sci-fi thriller ("Sci-FiThri") often categorized in "Top 10" lists. Guide to The 5th Wave Series SCI-FI | THRILLER MOVIES - IMDb If you

: Often included in sci-fi thriller lists on IMDb , this film features a world where vampires have taken over and humans are farmed for blood; it holds a 6.4/10 but frequently appears alongside lower-rated cult classics.