Silver Skulls: Similar series
Eon Warriors
by Anna Hackett
4.39 · 180 ratings
action-adventure · aliens · fiction · adult · military · soldiers · sci-fi · steamy · romance · audiobook · female-mc · space-fleet · book · space · galactic-empire · paranormal · fated-mates · alpha-mc · war · violent-conflict
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Hayden War Cycle
by Evan Currie
4.26 · 160 ratings
action-adventure · fiction · book · war · violent-conflict · space · adult · military · space-opera · sci-fi · aliens · female-mc · hard-sci-fi · audiobook · space-fleet · soldiers · first-contact · nautical · steampunk · industrial-era
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A Learning Experience
by Christopher G. Nuttall
4.09 · 78 ratings
military · adult · violent-conflict · soldiers · space-opera · fiction · book · first-contact · audiobook · space · sci-fi · action-adventure · aliens · galactic-empire · space-travel · war · colonization · invasion · hard-sci-fi · space-fleet
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Void Wraith
by Chris Fox
4.20 · 81 ratings
soldiers · sci-fi · space-travel · space-opera · military · space-fleet · adult · violent-conflict · aliens · exploration · fiction · action-adventure · audiobook · space · book · galactic-empire · cyborgs · invasion · war · genetic-engineering
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Dark Imperium
by Guy Haley
4.00 · 34 ratings
violent-conflict · book · fiction · sci-fi · audiobook · military · grim-dark · action-adventure · soldiers · space-opera · adult · futuristic · genetic-engineering · invasion · war · dystopia · space · colonization · supernatural · young-adult
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The Last Reaper
by J.N. Chaney
4.43 · 122 ratings
galactic-empire · colonization · invasion · book · military · adult · violent-conflict · soldiers · aliens · fiction · audiobook · cyberpunk · space · sci-fi · genetic-engineering · space-opera · action-adventure · war · first-contact · futuristic
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The Siege of Terra
by Dan Abnett
4.18 · 116 ratings
action-adventure · exploration · fiction · violent-conflict · adult · military · sci-fi · space · audiobook · grim-dark · space-fleet · space-opera · soldiers · book · genetic-engineering · aliens · first-contact · colonization · invasion · galactic-empire
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Battle Harem
by Isaac Hooke
4.00 · 28 ratings
violent-conflict · space · cyberpunk · adult · space-fleet · military · first-contact · space-travel · space-opera · soldiers · sci-fi · action-adventure · aliens · exploration · colonization · fiction · harem · book · invasion · humor
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The Revelations Cycle
by Chris Kennedy
4.30 · 102 ratings
galactic-empire · space · invasion · colonization · space-travel · soldiers · sci-fi · violent-conflict · adult · space-fleet · military · first-contact · aliens · exploration · fiction · literary-fiction · action-adventure · book · audiobook · space-opera
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The Ixan Prophecies
by Scott Bartlett
4.00 · 36 ratings
aliens · exploration · fiction · soldiers · sci-fi · space-opera · galactic-empire · audiobook · military · first-contact · space · space-fleet · adult · invasion · violent-conflict · book · colonization · space-travel · hard-sci-fi · war
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Vaults of Terra
by Chris Wraight
4.05 · 34 ratings
adult · violent-conflict · military · sci-fi · fiction · book · grim-dark · audiobook · space-opera · action-adventure · space-fleet · dystopia · space · 21st-century · soldiers · horror · law-enforcement · first-contact · galactic-empire · genetic-engineering
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Dawn of Fire
by Guy Haley
3.97 · 37 ratings
space · exploration · fiction · soldiers · sci-fi · military · space-fleet · adult · violent-conflict · book · genetic-engineering · grim-dark · aliens · action-adventure · first-contact · invasion · colonization · galactic-empire · space-opera · audiobook
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Fringe
by Rachel Aukes
3.97 · 28 ratings
space · violent-conflict · fiction · sci-fi · space-opera · audiobook · military · adult · space-fleet · book · colonization · soldiers · galactic-empire · female-author · cyberpunk · futuristic · aliens · hard-sci-fi · anthologies · literary-fiction
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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
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Amaranthe
by G.S. Jennsen
4.32 · 122 ratings
cyberpunk · colonization · space-opera · sci-fi · violent-conflict · first-contact · military · aliens · fiction · galactic-empire · invasion · space-travel · space-fleet · exploration · action-adventure · space · adult · soldiers · book · genetic-engineering
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Lucky's Marines
by Joshua James
4.19 · 47 ratings
fiction · military · adult · violent-conflict · sci-fi · aliens · invasion · book · space-fleet · space · soldiers · galactic-empire · supernatural · action-adventure · first-contact · war · space-opera · humor · ai · robots
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America Rising
by William C. Dietz
3.95 · 20 ratings
sci-fi · violent-conflict · adult · audiobook · dystopia · military · book · apocalyptic · war · post-apocalyptic · action-adventure · fiction · alternate-history · space-travel · soldiers · space · space-fleet · civil-war · exploration
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The System States Rebellion
by Dietmar Arthur Wehr
3.82 · 17 ratings
adult · book · fiction · soldiers · sci-fi · space-opera · galactic-empire · audiobook · military · violent-conflict · space · space-fleet · action-adventure · dystopia · war · colonization · box-set
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Evergence
by Sean Williams
3.75 · 16 ratings
adult · genetic-engineering · space · violent-conflict · military · space-opera · sci-fi · fiction · action-adventure · book · galactic-empire · soldiers · aliens · hard-sci-fi · space-fleet · cyberpunk · dystopia · ai · time-travel
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Alien Abduction
by Zara Zenia
3.57 · 14 ratings
exploration · fiction · audiobook · genetic-engineering · invasion · romance · book · soldiers · sci-fi · space-travel · military · first-contact · violent-conflict · space-fleet · poc-mc · action-adventure · aliens · paranormal · adult · contemporary
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Astra Militarum
by Victoria Hayward
4.11 · 19 ratings
violent-conflict · fiction · sci-fi · military · adult · book · action-adventure · genetic-engineering · invasion · colonization · aliens · exploration · soldiers · galactic-empire · first-contact · audiobook · space-fleet · space · war · grim-dark
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Folding Space
by A.M. Scott
4.26 · 19 ratings
book · exploration · fiction · sci-fi · galactic-empire · space-opera · space-travel · military · space-fleet · space · supernatural · violent-conflict · lgbtq · soldiers · aliens · action-adventure · young-adult · other-world · adult · time-travel
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The Horusian Wars
by John French
4.00 · 15 ratings
fiction · sci-fi · adult · book · grim-dark · action-adventure · supernatural · violent-conflict · audiobook · military · first-contact · invasion · space-fleet · aliens · colonization · exploration · space-travel · galactic-empire · soldiers · genetic-engineering
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Necromunda
by Mike Brooks
4.00 · 6 ratings
sci-fi · adult · post-apocalyptic · fiction · soldiers · genetic-engineering · space · cyberpunk · military · book · space-fleet · violent-conflict · action-adventure · exploration · space-travel · supernatural · galactic-empire · historical · dystopia · first-contact
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