The Fallen Ship
by Mark Wayne McGinnis
4.50 · 8 ratings
book · sci-fi · invasion · violent-conflict · fiction · aliens · supernatural · adult · first-contact
The Fallen Ship: Similar series
Confluence
by Jennifer Foehner Wells
4.09 · 118 ratings
aliens · exploration · fiction · female-mc · space-opera · space-travel · sci-fi · adult · book · space · action-adventure · violent-conflict · first-contact · invasion · audiobook · futuristic · military · female-author · technothriller · romance
All books in this series ❯
Galactic Gladiators
by Anna Hackett
4.32 · 306 ratings
sci-fi · adult · aliens · fiction · romance · violent-conflict · invasion · book · military · first-contact · warriors · action-adventure · paranormal · audiobook · steamy · alpha-mc · space · female-mc · suspense · supernatural
All books in this series ❯
Ascension Wars
by Jasper T. Scott
3.86 · 58 ratings
industrial-era · genetic-engineering · space · galactic-empire · colonization · supernatural · invasion · post-apocalyptic · book · military · first-contact · violent-conflict · historical · adult · space-fleet · soldiers · sci-fi · space-travel · exploration · fiction
All books in this series ❯
The Comet Cycle
by Benjamin Percy
3.72 · 72 ratings
violent-conflict · post-apocalyptic · invasion · book · literary-fiction · supernatural · aliens · fiction · action-adventure · mystery · paranormal · conspiracies · political-intrigue · super-powered · suspense · sci-fi · first-contact · adult · dystopia · magical-realism
All books in this series ❯
Trials And Tribulations
by Natalie Grey
4.53 · 36 ratings
shapeshifters · book · aliens · action-adventure · fiction · vampires · supernatural · paranormal · suspense · dark · adult · genetic-engineering · invasion · galactic-empire · sci-fi · violent-conflict · first-contact · military · fantasy · urban-fantasy
All books in this series ❯
Not Alone
by Craig A. Falconer
4.17 · 60 ratings
colonization · alternate-history · aliens · exploration · fiction · invasion · supernatural · book · first-contact · audiobook · adult · space · violent-conflict · sci-fi · space-travel · space-opera · drama · mystery · spirituality · hard-sci-fi
All books in this series ❯
Dark Space
by Jasper T. Scott
3.84 · 82 ratings
invasion · space-fleet · book · galactic-empire · audiobook · space · fiction · aliens · sci-fi · space-opera · military · violent-conflict · adult · historical · supernatural · genetic-engineering · dystopia · cyberpunk · steampunk · industrial-era
All books in this series ❯
The Ujal
by Erin Tate
4.04 · 92 ratings
romance · shapeshifters · steamy · paranormal · aliens · fiction · adult · book · sci-fi · space-travel · invasion · galactic-empire · exploration · humor · mermaids · first-contact · violent-conflict · colonization · insta-love · supernatural
All books in this series ❯
Forsaken Mercenary
by Jonathan Yanez
4.37 · 101 ratings
fiction · action-adventure · adult · sci-fi · book · space · violent-conflict · colonization · post-apocalyptic · space-opera · cyberpunk · genetic-engineering · aliens · industrial-era · steampunk · historical · first-contact · invasion · super-powered · military
All books in this series ❯
Kiss Series
by M.K. Eidem
4.11 · 38 ratings
aliens · fiction · adult · shapeshifters · romance · dragons · paranormal · fated-mates · age-gap · book · steamy · alpha-mc · audiobook · fantasy · sci-fi · violent-conflict · first-contact · invasion · royalty · supernatural
All books in this series ❯
The Ixan Universe
by Scott Bartlett
3.94 · 54 ratings
violent-conflict · book · galactic-empire · audiobook · space · fiction · sci-fi · soldiers · space-opera · military · adult · space-fleet · invasion · colonization · hard-sci-fi · aliens · first-contact · supernatural · action-adventure · space-travel
All books in this series ❯
The Delphic Dame
by Jenny Schwartz
4.33 · 21 ratings
space · galactic-empire · colonization · book · adult · first-contact · space-travel · space-opera · sci-fi · super-powered · exploration · fiction · aliens · cyberpunk · supernatural · invasion · violent-conflict · action-adventure · futuristic · audiobook
All books in this series ❯
Universe in Flames
by Christian Kallias
4.18 · 39 ratings
violent-conflict · space-opera · adult · military · fiction · space-fleet · sci-fi · space · galactic-empire · aliens · invasion · book · first-contact · space-travel · supernatural · colonization · soldiers · historical · audiobook · steampunk
All books in this series ❯
Gateway to the Galaxy
by Jonathan Yanez
4.23 · 36 ratings
fiction · sci-fi · military · adult · violent-conflict · humor · super-powered · soldiers · space-opera · space · aliens · first-contact · invasion · book · supernatural · colonization · galactic-empire · action-adventure · space-fleet · genetic-engineering
All books in this series ❯
Tail and Claw
by Nancey Cummings
4.06 · 28 ratings
book · adult · romance · aliens · fiction · contemporary · audiobook · invasion · violent-conflict · first-contact · sci-fi · action-adventure · paranormal · colonization · humor · arranged-marriage · supernatural · steamy · fantasy · dystopia
All books in this series ❯
Bridgers
by Stan C. Smith
4.23 · 22 ratings
time-travel · first-contact · violent-conflict · adult · sci-fi · action-adventure · aliens · fiction · invasion · post-apocalyptic · book · dystopia · travel · alternate-history · supernatural · hard-sci-fi · technothriller · apocalyptic · monsters · historical-fiction
All books in this series ❯
Mech Wars
by Scott Bartlett
3.86 · 22 ratings
fiction · aliens · hard-sci-fi · space-fleet · adult · violent-conflict · first-contact · military · space-travel · space-opera · soldiers · sci-fi · colonization · supernatural · book · invasion · space · action-adventure · audiobook · galactic-empire
All books in this series ❯
Warrior Kings of Alioth
by Sara Ivy Hill
4.23 · 22 ratings
sci-fi · book · romance · paranormal · aliens · fiction · fated-mates · adult · supernatural · monsters · steamy · first-contact · grumpy-mc · violent-conflict · grumpy-sunshine · fantasy · cheerful-mc · space-travel · exploration · invasion
All books in this series ❯
Venora Mates
by Octavia Kore
3.95 · 21 ratings
fiction · adult · book · humor · action-adventure · aliens · monsters · lgbtq · violent-conflict · polyamory · horror · dark · sci-fi · colonization · supernatural · reverse-harem · invasion · romance · genetic-engineering · paranormal
All books in this series ❯
Cosmic Kissed
by Erin Raegan
4.23 · 35 ratings
adult · aliens · fiction · romance · book · sci-fi · paranormal · first-contact · violent-conflict · space-travel · poc-mc · humor · futuristic · supernatural · invasion · action-adventure · alpha-mc · space · dystopia · dragons
All books in this series ❯
Blackstone Fortress
by Darius Hinks
3.73 · 11 ratings
adult · violent-conflict · fiction · sci-fi · military · dystopia · space · invasion · book · colonization · supernatural · exploration · aliens · soldiers · galactic-empire · space-travel · space-opera · first-contact · space-fleet · genetic-engineering
All books in this series ❯
The Nova Chronicles
by Saff
3.67 · 18 ratings
action-adventure · exploration · fiction · female-mc · adult · space-opera · space-travel · sci-fi · book · space · industrial-era · historical · western · first-contact · aliens · violent-conflict · supernatural · invasion · colonization · mystery
All books in this series ❯
Blue Planet Warriors
by Maia Starr
3.93 · 14 ratings
aliens · fiction · adult · sci-fi · colonization · invasion · romance · book · genetic-engineering · paranormal · galactic-empire · action-adventure · exploration · futuristic · military · first-contact · violent-conflict · space-fleet · soldiers · space-travel
All books in this series ❯
The Faustus Hexagram
by Damien Broderick
2.80 · 5 ratings
adult · fiction · book · sci-fi · genetic-engineering · invasion · action-adventure · aliens · supernatural · violent-conflict · dystopia · time-travel · first-contact · cyberpunk · myths · humor · dragons
All books in this series ❯