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:
: 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. 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: If you are looking for other sci-fi thrillers
by Van Ris : A newer sci-fi thriller available on Amazon Kindle . : 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.
: 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".
