Legacy War
by John Walker
4.24 · 34 ratings
aliens · sci-fi · galactic-empire · space-travel · space-opera · first-contact · military · space-fleet · adult · genetic-engineering · space · violent-conflict · invasion · book · colonization · exploration · fiction · audiobook
Legacy War: Similar series
Lost Colonies Trilogy
by B.V. Larson
4.05 · 53 ratings
book · first-contact · violent-conflict · hard-sci-fi · invasion · war · action-adventure · aliens · exploration · fiction · colonization · space-travel · space-opera · galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · audiobook
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 ❯
Aurora Rising
by G.S. Jennsen
4.13 · 66 ratings
sci-fi · space-travel · space-opera · military · first-contact · action-adventure · fiction · galactic-empire · cyberpunk · colonization · violent-conflict · space-fleet · aliens · exploration · ai · space · romance · book · soldiers · adult
All books in this series ❯
Indian Hill
by Mark Tufo
4.49 · 102 ratings
sci-fi · first-contact · adult · violent-conflict · aliens · fiction · post-apocalyptic · invasion · book · soldiers · military · space-travel · space-fleet · exploration · action-adventure · zombies · audiobook · space · colonization · space-opera
All books in this series ❯
The Terran Fleet Command Saga
by Tori L. Harris
4.29 · 69 ratings
space-opera · colonization · aliens · exploration · fiction · post-apocalyptic · invasion · book · technothriller · first-contact · audiobook · military · space-fleet · adult · genetic-engineering · space · violent-conflict · soldiers · galactic-empire · sci-fi
All books in this series ❯
The Last War
by Peter Bostrom
4.09 · 34 ratings
exploration · fiction · soldiers · galactic-empire · sci-fi · space-travel · space-opera · first-contact · military · space-fleet · adult · genetic-engineering · space · violent-conflict · invasion · book · technothriller · colonization · aliens · action-adventure
All books in this series ❯
The Last Hunter
by J.N. Chaney
4.44 · 127 ratings
book · invasion · aliens · fiction · colonization · galactic-empire · space-opera · soldiers · sci-fi · adult · space-fleet · space · genetic-engineering · violent-conflict · military · first-contact · action-adventure · audiobook · exploration · space-travel
All books in this series ❯
The Siege of Terra
by Dan Abnett
4.18 · 116 ratings
adult · violent-conflict · military · sci-fi · exploration · action-adventure · fiction · space · audiobook · space-fleet · space-opera · soldiers · grim-dark · genetic-engineering · book · first-contact · aliens · galactic-empire · colonization · invasion
All books in this series ❯
Rise of Mankind
by John Walker
4.07 · 28 ratings
aliens · exploration · colonization · fiction · book · invasion · space · genetic-engineering · adult · violent-conflict · military · first-contact · space-opera · space-travel · galactic-empire · sci-fi · war · space-fleet
All books in this series ❯
Aurora Rhapsody
by G.S. Jennsen
4.27 · 113 ratings
space-opera · space-travel · sci-fi · military · fiction · action-adventure · cyberpunk · colonization · space-fleet · violent-conflict · first-contact · exploration · galactic-empire · space · adult · aliens · book · soldiers · ai · invasion
All books in this series ❯
Rise of the Empire
by Ivan Kal
4.37 · 91 ratings
sci-fi · aliens · fiction · book · space-fleet · adult · space · violent-conflict · litrpg · military · space-opera · colonization · genetic-engineering · space-travel · war · invasion · galactic-empire · royalty · action-adventure · first-contact
All books in this series ❯
Aurora Renegades
by G.S. Jennsen
4.46 · 28 ratings
action-adventure · audiobook · cyberpunk · space · invasion · book · colonization · soldiers · sci-fi · space-opera · space-travel · first-contact · military · adult · space-fleet · violent-conflict · aliens · exploration · fiction · galactic-empire
All books in this series ❯
The Pax Humana Saga
by Endi Webb
3.97 · 34 ratings
fiction · sci-fi · aliens · military · violent-conflict · space-fleet · adult · soldiers · space-opera · colonization · book · space · galactic-empire · genetic-engineering · action-adventure · exploration · first-contact · space-travel · supernatural · invasion
All books in this series ❯
Legacy War
by John Walker
4.24 · 34 ratings
aliens · sci-fi · galactic-empire · space-travel · space-opera · first-contact · military · space-fleet · adult · genetic-engineering · space · violent-conflict · invasion · book · colonization · exploration · fiction · audiobook
All books in this series ❯
Amaranthe
by G.S. Jennsen
4.32 · 122 ratings
aliens · fiction · space-opera · sci-fi · violent-conflict · first-contact · military · colonization · cyberpunk · exploration · action-adventure · space-travel · space-fleet · invasion · galactic-empire · adult · space · soldiers · book · genetic-engineering
All books in this series ❯
Asterion Noir
by G.S. Jennsen
4.39 · 18 ratings
cyberpunk · genetic-engineering · space · audiobook · galactic-empire · politics · suspense · colonization · book · technothriller · invasion · romance · space-fleet · adult · violent-conflict · first-contact · horror · military · space-travel · space-opera
All books in this series ❯
AMP
by Stephen Arseneault
4.04 · 48 ratings
space-travel · galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · exploration · fiction · colonization · soldiers · first-contact · invasion · futuristic · aliens · space-opera
All books in this series ❯
The Eurynome Code
by K. Gorman
4.27 · 22 ratings
book · space · fiction · violent-conflict · adult · space-fleet · military · female-author · first-contact · space-opera · sci-fi · colonization · genetic-engineering · audiobook · galactic-empire · action-adventure · aliens · female-mc · space-travel · soldiers
All books in this series ❯
OMEGA
by Stephen Arseneault
4.08 · 36 ratings
galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · aliens · fiction · space-travel · soldiers · first-contact · invasion · futuristic · exploration · colonization · space-opera
All books in this series ❯
SODIUM
by Stephen Arseneault
3.90 · 21 ratings
book · adult · sci-fi · fiction · genetic-engineering · space · galactic-empire · invasion · post-apocalyptic · military · first-contact · violent-conflict · space-fleet · aliens · colonization · soldiers · space-travel · exploration · space-opera · action-adventure
All books in this series ❯
Hadron
by Stephen Arseneault
4.25 · 16 ratings
space-fleet · post-apocalyptic · invasion · violent-conflict · book · colonization · aliens · exploration · fiction · soldiers · sci-fi · space-travel · galactic-empire · military · first-contact · space · genetic-engineering · adult · hard-sci-fi · space-opera
All books in this series ❯
Blackstone Fortress
by Darius Hinks
3.73 · 11 ratings
violent-conflict · fiction · sci-fi · adult · dystopia · military · book · invasion · aliens · exploration · colonization · supernatural · galactic-empire · space-opera · space-travel · soldiers · space · genetic-engineering · first-contact · space-fleet
All books in this series ❯
Riven Worlds
by G.S. Jennsen
4.70 · 10 ratings
sci-fi · soldiers · space-opera · space-travel · first-contact · military · adult · space-fleet · violent-conflict · aliens · exploration · fiction · action-adventure · galactic-empire · cyberpunk · space · genetic-engineering · invasion · book · technothriller
All books in this series ❯
Black Library Celebration 2020
by Miles A. Drake
4.00 · 8 ratings
adult · fiction · book · fantasy · dystopia · high-fantasy · space · genetic-engineering · myths · galactic-empire · colonization · supernatural · scandinavia · invasion · historical · space-fleet · violent-conflict · first-contact · military · retellings
All books in this series ❯