Crusade: What the Hell Happened?: Similar series
Heritage Trilogy
by Ian Douglas
3.89 · 75 ratings
space · violent-conflict · hard-sci-fi · war · book · fiction · action-adventure · soldiers · sci-fi · mars · space-opera · audiobook · military · adult · male-author · alternate-history · aliens · exploration · mystery · space-travel
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The Indranan War
by K.B. Wagers
3.98 · 71 ratings
military · book · colonization · galactic-empire · political-intrigue · space · audiobook · lgbtq · futuristic · fiction · action-adventure · female-mc · space-opera · sci-fi · adult · violent-conflict · female-author · found-family · aliens · royalty
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Terra Ignota
by Ada Palmer
4.12 · 98 ratings
fiction · adult · sci-fi · philosophy · lgbtq · female-author · supernatural · book · dystopia · 21st-century · audiobook · politics · spirituality · utopia · futuristic · unreliable-narrator · male-mc · epic · religion · contemporary
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Humanx Commonwealth Chronological
by Alan Dean Foster
3.88 · 397 ratings
space-opera · sci-fi · fiction · space · action-adventure · aliens · book · young-adult · mystery · audiobook · dragons · adult · literary · anthologies · classics · space-travel · first-contact · hard-sci-fi · paranormal · 20th-century
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The Terran Fleet Command Saga
by Tori L. Harris
4.29 · 69 ratings
aliens · exploration · colonization · fiction · book · technothriller · invasion · post-apocalyptic · genetic-engineering · space · space-fleet · adult · audiobook · military · violent-conflict · first-contact · space-travel · space-opera · galactic-empire · soldiers
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Star Trek - Enterprise: Relaunch
by Michael A. Martin
3.78 · 56 ratings
book · military · adult · space · genetic-engineering · violent-conflict · sci-fi · space-opera · aliens · fiction · action-adventure · invasion · first-contact · space-fleet · journey · technology · hard-sci-fi · friendship · war
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Isaac Asimov's Robot City
by Michael P. Kube-McDowell
4.01 · 76 ratings
fiction · book · adult · sci-fi · robots · action-adventure · contemporary · space-opera · classics · western · industrial-era · technology · box-set · ai · literary
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League of Peoples
by James Alan Gardner
3.98 · 85 ratings
action-adventure · fiction · sci-fi · adult · book · invasion · dystopia · aliens · space-opera · violent-conflict · space · audiobook · cyberpunk · lgbtq · exploration · space-travel · workplace · military · anthologies · trans-mc
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Star Trek: Discovery
by Dave Galanter
3.91 · 78 ratings
violent-conflict · audiobook · military · first-contact · sci-fi · action-adventure · fiction · book · adult · space · space-opera · aliens · invasion · 21st-century · alpha-mc · space-travel · coming-of-age · female-author · young-adult · colonization
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Tales of the Terran Republic
by Charles E. Gannon
3.90 · 48 ratings
book · action-adventure · fiction · space-opera · sci-fi · violent-conflict · space · adult · military · aliens · first-contact · exploration · political-intrigue · survival · war · invasion · espionage · audiobook · hard-sci-fi · virtual-reality
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The Corporation Wars
by Ken MacLeod
3.65 · 26 ratings
book · transhumanism · action-adventure · fiction · robots · space-opera · sci-fi · violent-conflict · space · adult · audiobook · military · space-fleet · hard-sci-fi · cyberpunk · dystopia
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Chronicles of the Empire Book
by Marcella Burnard
3.57 · 30 ratings
fiction · sci-fi · adult · book · romance · futuristic · aliens · action-adventure · military · steamy · space · contemporary · espionage · space-opera · violent-conflict · political-intrigue · enemies-to-lovers · paranormal · war · family
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Justice of the Covenant
by M.R. Forbes
4.50 · 22 ratings
space-opera · soldiers · sci-fi · adult · space-fleet · space · genetic-engineering · first-contact · violent-conflict · military · audiobook · shapeshifters · book · futuristic · invasion · aliens · fiction · galactic-empire · dystopia · female-mc
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Sisters of Battle
by James Swallow
3.64 · 28 ratings
sci-fi · audiobook · adult · military · violent-conflict · book · fiction · action-adventure · space-opera · dystopia · war · supernatural · soldiers · galactic-empire · space-travel · first-contact · contemporary · genetic-engineering · space-fleet · space
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Star Wars: The High Republic
by George Mann
4.09 · 32 ratings
space-opera · fiction · sci-fi · space · action-adventure · book · adult · mystery · young-adult · audiobook · exploration · anthologies · far-away-galaxy · lgbtq · children-books · comics · galactic-empire · children
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The Movement Trilogy
by Jason Gurley
3.67 · 25 ratings
adult · book · fiction · sci-fi · post-apocalyptic · aliens · dystopia · invasion · futuristic · cyberpunk · apocalyptic · space-fleet · colonization · supernatural · violent-conflict · exploration · soldiers · space-opera · space-travel · galactic-empire
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Gods of Misfortune
by Lyn Gala
4.27 · 15 ratings
book · adult · violent-conflict · sci-fi · mlm · aliens · fiction · invasion · romance · lgbtq · space · paranormal · space-opera · first-contact · myths · law-enforcement · family · military · new-adult · suspense
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The Backworlds
by M. Pax
3.71 · 21 ratings
action-adventure · sci-fi · space-opera · adult · book · colonization · fiction · space-travel · space · genetic-engineering · exploration · aliens · paranormal · galactic-empire · first-contact · female-author · violent-conflict · invasion
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Burl
by Murray Leinster
3.54 · 13 ratings
sci-fi · audiobook · action-adventure · fiction · adult · book · post-apocalyptic · 20th-century · space-opera · historical · space · north-america · survival · usa · time-travel · soldiers · space-fleet · violent-conflict · classics · box-set
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Gollancz Binary
by Peter F. Hamilton
3.78 · 9 ratings
sci-fi · book · adult · fiction · hard-sci-fi · space-opera · mystery · far-future · suspense · crime · futuristic · audiobook · contemporary
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Astral Heat
by Laura Navarre
4.50 · 8 ratings
sci-fi · fiction · space · galactic-empire · adult · lgbtq · paranormal · reverse-harem · steamy · anthologies · romance · myths · mlm · supernatural · book · space-fleet · polyamory · military · space-opera · fantasy
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