Spaceopera Stories

1.2K Stories

"The Swarm and the Storm" [A Warhammer 40K x Starship Troopers Crossover Story]  by Chris9417
#1
"The Swarm and the Storm" [A Warha...by Chris1942
In the wake of a brutal, near-fatal assault on Klandathu Prime, the Mobile Infantry finds themselves thrown into a new, even more terrifying war. As humanity reels from...
Ad Astra - The Alagore War by PWOFalcon
#2
Ad Astra - The Alagore Warby PWOFalcon
In 2068, the United States was moving toward a second frontier era, a second Manifest Destiny across the solar system. Then, one day, thanks to a strange alien signal, t...
HAWK by Mike_I_am
#3
HAWKby Mike
Exciting news update - HAWK is in the very early stages of being adapted into an animated TV show! Please make sure to stick around and add this story to your shelves fo...
Completed
"Galactic Convergence" A Star Wars x Warhammer 40K crossover Story  by Chris9417
#4
"Galactic Convergence" A Star Wars...by Chris1942
In this Warhammer 40K x Star Wars crossover, In the midst of the Clone Wars, a catastrophic warp storm erupts, tearing through the Endymion Sector and flinging the Carch...
"Wolfenstein 40K: Rift of Chaos" Warhammer 40K x Wolfenstein Crossover  by Chris9417
#5
"Wolfenstein 40K: Rift of Chaos" W...by Chris1942
In this Warhammer 40K x Wolfenstein crossover, In a desperate bid to expand the reach of the Greater Germanic Reich, Dr. Wilhelm Strasse, better known as Deathshead, act...
"Halo Wars: The Colonial Exodus" Halo x Battlestar Galactica Crossover  by Chris9417
#6
"Halo Wars: The Colonial Exodus" H...by Chris1942
In this Halo Wars x Battlestar Galactica crossover, 199 days after the fall of the Twelve Colonies, the ragtag fleet led by Admiral William Adama struggles to stay ahea...
Recombinant Bridgehead by TiffanyRedRose
#7
Recombinant Bridgeheadby Tiffany Rose
The sequel to James Cameron's Avatar. This story does not follow the events of 'The Way of Water' or any other continuation, only the 2009 movie, which serves as the fou...
QUALIFY: The Atlantis Grail (Book One) by VeraNazarian
#8
QUALIFY: The Atlantis Grail (Book...by VeraNazarian
Nerd girl Gwen Lark must compete in deadly trials against all other Earth teens, including her crush, to Qualify for interplanetary rescue from an asteroid apocalypse, i...
Against the Tide - A New Elysium Story [Complete] by taivaan_sininen
#9
Against the Tide - A New Elysium S...by A. C. Evans
Augments - digital implants and robotic prostheses - can enhance abilities, bestow entirely new ones, or replace parts of the body that have been broken or injured. At l...
"The Witch and the Imperium: Bayonetta's Crusade" Warhammer 40K x Bayonetta  by Chris9417
#10
"The Witch and the Imperium: Bayon...by Chris1942
In this Warhammer 40K x Bayonetta crossover, When Bayonetta, the fierce Umbra Witch, is mysteriously transported to the grim darkness of the 41st millennium, she finds h...
Chains of the Chosen by Rex_Tano
#11
Chains of the Chosenby Rex_Tano
In a galaxy ruled by the oppressive Galactic Commonwealth, Captain Kell, a genetically engineered clone, is thrust into the heart of war and rebellion. Trained to be the...
"Warpshadow: Sisterhood of the Wasteland" Fallout x Warhammer 40K Crossover  by Chris9417
#12
"Warpshadow: Sisterhood of the Was...by Chris1942
In this Fallout 4 x Warhammer 40k crossover, In a cataclysmic event that shatters the fabric of reality, an Imperium Navy transport ship carrying a chapter of Adeptus So...
"Across the Stars: The Lost Terrans" StarCraft X Warhammer Crossover  Story  by Chris9417
#13
"Across the Stars: The Lost Terran...by Chris1942
In this Warhammer 40K x StarCraft crossover, In a dramatic twist of fate, a small Terran task force led by Emperor Valerian Mengsk is unexpectedly hurled from the Koprul...
"Echos in the Void: Shadows of the Necromorphs" Star Wars x Dead Space  by Chris9417
#14
"Echos in the Void: Shadows of the...by Chris1942
In this Star Wars: The Clone Wars x Dead Space Crossover, In a dark and twisted corner of the galaxy, the Jedi Order faces a new threat unlike anything they have encoun...
HMS Valediction by LLMontez
#15
HMS Valedictionby LL Montez
[Book 2 of the ARC10 Trilogy] Rampant addictions, psychotic breakdowns, and threats of mutiny keep Commander Janika Lorn up all night. Transporting two-thousand souls sa...
Completed
"Inferno's Requiem" Warhammer 40K x Doom Crossover   by Chris9417
#16
"Inferno's Requiem" Warhammer 40K...by Chris1942
In this Doom x Warhammer 40K: Space Marine 2 crossover, In a universe ravaged by war and corruption, two legendary warriors are brought together by fate and a shared ene...
"Faith Against the Combine" Warhammer 40K x Half-Life Crossover  by Chris9417
#17
"Faith Against the Combine" Warham...by Chris1942
In this Warhammer 40K x Half- Life 2 crossover, In a twist of fate, an Imperium Navy Transport ship carrying a chapter of the Adeptus Sororitas is caught in a strange c...
My Human by Yesenia1una
#18
My Humanby Kristina Stone
Woken in a world ravaged by war, the planet is deteriorating quickly and Aeris is a lone survivor. Her one hope of survival seems to be a strange man boarding what seem...
Tides of Iron: An Ultramarine in Zaun  by Chris9417
#19
Tides of Iron: An Ultramarine in Z...by Chris1942
When Captain Titus of the Ultramarines is hurled through the Warp into the chaotic undercity of Zaun, his unyielding sense of duty is tested like never before. Caught in...
"Rainbow Six 40K: Siege Eternal" Warhammer 40K x Rainbow Six Crossover  by Chris9417
#20
"Rainbow Six 40K: Siege Eternal" W...by Chris1942
In this Warhammer 40K x Rainbow Six: Siege crossover, In a high-stakes mission to retrieve a mysterious artifact from a terrorist organization, Rainbow Six Siege's elite...