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New Era II by martinantab reviews
The war has ended and UNSC/UEG can finally start with rebuilding. Former Covenant races created new alliance to prevent another big war. Everybody thought that they can live peacefully, but few years later UNSC Gargantua has discovered mysterious object in the Orion's arm and no one is sure, if everything will be the same again.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Humor - Chapters: 3 - Words: 20,549 - Reviews: 15 - Favs: 93 - Follows: 133 - Updated: 11/9 - Published: 10/28 - Master Chief/John-117, T. Lasky, Councilor Tevos, Councilor Valern
Mass Effect: Fear the Old Blood by thelordofdarkreunion reviews
Shepard died, choking in the darkness of space. But yet she awoke, finding herself within a strange Hunter's Dream. Meeting the mysterious Good Hunter and Plain Doll, there are many lessons to be learned from both her home galaxy and a strange world of luminous moons and terrible beasts. Yet through them both, one rule remains constant: Fear the Old Blood.
Crossover - Mass Effect & Bloodborne - Rated: T - English - Adventure/Supernatural - Chapters: 5 - Words: 30,783 - Reviews: 53 - Favs: 147 - Follows: 205 - Updated: 6h - Published: 10/12 - Shepard, The Hunter, Plain Doll
New Start Plus: in spaaaaace! by omaster43 reviews
Nick Walters and his merry band of misfits are back with a story about helping Shepard and crew fight giant eldritch robot abominations, most likely through Dumb magic and crazy shenanigans This is a continuation of my previous story, so reading that one first is recommended. but I'm not your nanny you wanna be confused that's your choice. Oc-insert, just came from Dragon age
Crossover - Game X-overs & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 8 - Words: 198,822 - Reviews: 96 - Favs: 251 - Follows: 305 - Updated: 11h - Published: 6/6 - Garrus V., Tali'Zorah, Shepard
Mass Effect: Book of Korra by CommanderSheperddddd reviews
The world the knew is gone. Their mere existence contradicts all logic. But for Korra and the Krew rest isn't a luxury they cna afford, as even when placed in an unknown world, there is still need for heroes.
Crossover - Mass Effect & Legend of Korra - Rated: M - English - Sci-Fi/Horror - Chapters: 1 - Words: 1,345 - Reviews: 1 - Published: 14h - Shepard, Korra, Mako, Bolin
Mobile Suit - Mass Effect: The First Contact War by Mister Smallville reviews
Two worlds collide, neither prepared for the other. The Solar Sphere Congress -successor to the long gone Earth Federation- unwittingly starts a galactic crisis when it makes first contact with a very angry, very trigger happy Turian Hierarchy.
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 10 - Words: 59,235 - Reviews: 121 - Favs: 217 - Follows: 337 - Updated: 11/18 - Published: 8/7
Commissar Shepard by Sabethetan reviews
You always heard of stories when Shepard is paragon and alien-friendly. But what if he got ACTUAL REASONS to hate aliens and was forced to work with them? Can he put away his hatred to stop Reapers?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,449 - Reviews: 4 - Favs: 11 - Follows: 12 - Published: 11/17
Mass Effect demi humans by EclipsePheniox reviews
Long ago on earth demi-humans appeared on earth. Now expanding into the galaxy the other races have to deal with both humans and demi-humans. Mass effect story from beginning to end but with monster people to make it more interesting. Experimental, possible harem
Crossover - Mass Effect & Monster Girl Encyclopedia - Rated: M - English - Adventure/Sci-Fi - Chapters: 43 - Words: 144,201 - Reviews: 57 - Favs: 271 - Follows: 292 - Updated: 11/17 - Published: 8/2/2019
Ark effect Remake by EclipsePheniox reviews
After the attack on the Collector base failed, the Normandy SR-2 found themselves on Ark a planet roaming with primordial beasts. But as their Commander returns, things become more complex as they learn about Ark and the reason they are there and the purpose of the world.
Crossover - Mass Effect & ARK: Survival Evolved - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 29,372 - Reviews: 12 - Favs: 58 - Follows: 74 - Updated: 11/17 - Published: 1/3 - Liara T'Soni, Miranda L., Shepard
A Whole New World by Spartan III Commando reviews
Noble six's story did not end on Reach, he escaped the doomed planet after saving the Pillar of Autumn, and he and 117 fought across each Halo, until an incident sent him to a whole new world. And he is wholly unprepared for the journey in store.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 50,138 - Reviews: 70 - Favs: 368 - Follows: 524 - Updated: 11/16 - Published: 7/7/2016 - SPARTAN-B312/Noble Six
To Trails End(Adept) by This Is Sarcasm reviews
Things go differently-and more disastrously-for Crow when he's faced with a less forgiving Young Wolf after the hunt for the High Celebrant. Devastated by the truth, he follows a terrible dream through The Howling, and emerges in a reality where there are no Guardians... and an army of Hive threatening to pour through. What's a lone Hunter to do, aside from the obvious? OVERHAULED!
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Angst - Chapters: 4 - Words: 12,735 - Reviews: 2 - Favs: 12 - Follows: 16 - Updated: 11/15 - Published: 11/7 - Garrus V., Thane K., Shepard, Crow
Saiyan Effect by bored peasant reviews
The Citadel Council weren't ready for a species with the power of the saiyans at their back.
Crossover - Mass Effect & Dragon Ball Super - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 89,924 - Reviews: 736 - Favs: 1,957 - Follows: 2,322 - Updated: 11/15 - Published: 8/9/2017 - Son Gohan, Son Goku, Vegeta
Mass Effect: Reaper T8 by ArcherEdgeBond reviews
A Reaper threat and three different Sheppards. how will the universe handle this. follow Geoff, John, and Jane Shepard as they fight the reapers for survival and fight a new threat soon to take hold.(this was a challenge given to me by my friend the unforgivenone19901. if you have not checked out his work please do) (Disclaimer: I do not own the rights, this is purely fanmade)
Crossover - Terminator & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 31,737 - Reviews: 1 - Favs: 13 - Follows: 11 - Updated: 11/14 - Published: 2/25/2020
Asymmetry: A Tragedy in Ten Acts by Pseudomonus reviews
Almost 200 years after the Reapers' destruction, Commander Benezia Shepard is given a top secret mission: To explore a strange new universe; to seek out new threats and new enemies; to boldly go where no Asari has gone before! And, at the height of the Dominion war, with the Federation facing defeat, Captain Forest encounters an impossible ship that may hold the key to victory.
Crossover - StarTrek: Deep Space Nine & Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 3 - Words: 21,430 - Reviews: 6 - Favs: 14 - Follows: 15 - Updated: 11/14 - Published: 11/7
The Rook by Twisted Fate MK 2 reviews
On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 13 - Words: 44,361 - Reviews: 101 - Favs: 423 - Follows: 632 - Updated: 11/14 - Published: 7/8/2022 - Rookie, Shepard
Fall of the Citadel by Richard Scepton reviews
A fleet without an ocean, a humanity scarred forever by war. An admiral without a fleet, and a galaxy on the brink of war. It is the link in between, that will decide our fate, and that of the galaxy as a whole. CW: PTSD, depression, hand-to-hand combat and bayonets. Recommend not for children
Crossover - Mass Effect & Kantai Collection - Rated: T - English - Romance/Sci-Fi - Chapters: 4 - Words: 40,579 - Reviews: 16 - Favs: 34 - Follows: 47 - Updated: 11/13 - Published: 10/26 - [Shepard, OC] Shigure, Fubuki
Command effect: Rise of the three powers by aris1606 reviews
Anyone wondering what would happen after the events of the Uprising? There are a lot of possibilities. Time machines, Yuriko Omega on the loose, desolators, giga fortresses and a lot of other stuff. It's gonna be a crazy ride.
Crossover - Mass Effect & Command & Conquer - Rated: M - English - Adventure/Sci-Fi - Chapters: 33 - Words: 115,251 - Reviews: 78 - Favs: 161 - Follows: 235 - Updated: 11/13 - Published: 10/16/2019 - Shepard
Mass Wars Episode II by Fantasymaker76 reviews
Five Years have past since the destruction of the Normandy and the death of Commander Shepard. Now a new order is rising in the unmapped regions of the galaxy which is leaving unease in both the Republic and the Citadel. Determined to find out what is going on, a pro-human organisation has made plans to find out what this mysterious group wants.
Crossover - Mass Effect & Star Wars - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 30,438 - Reviews: 10 - Favs: 28 - Follows: 34 - Updated: 11/13 - Published: 3/13
Never Fade Away by Ideas-Guy reviews
Lives are cheap and money is everything. That's how the orphanage made its money - lending out children for human expirementation. L is an old man at the age of fifteen and he knows he doesn't have much time left. All that mattered was getting out, but he soon learns that the world is a lot bigger than Night City. And that the galaxy is a lot bigger than Earth.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Adventure/Drama - Chapters: 44 - Words: 206,332 - Reviews: 318 - Favs: 984 - Follows: 1,109 - Updated: 11/13 - Published: 10/31/2022 - Shepard, V
Star-Bound by The Incredible Muffin reviews
Some destinies are written out centuries, or even millennia, ahead of time. However, when destiny is derailed, new plans have to be implemented. Sometimes, that involves ripping someone away from the peaceful end they seek and thrusting them into a tide of never-ending war in order to fix what can never be repaired.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Supernatural - Chapters: 39 - Words: 266,923 - Reviews: 1130 - Favs: 1,436 - Follows: 1,771 - Updated: 11/11 - Published: 5/29/2019
Drift Effect by Demon Eyes Laharl reviews
In the early 21st Century, Humanity made First Contact. By the end of it, they lost Earth. However, they survived, carving their place in the sea of stars, hoping one day to finally retake back their home world. The void, though, is a dangerous place. Another alien artifact was found near one of their border worlds, which would lead to another conflict.
Crossover - Mass Effect & Misc. Movies - Rated: M - English - Chapters: 8 - Words: 66,066 - Reviews: 44 - Favs: 154 - Follows: 227 - Updated: 11/11 - Published: 8/13
The Man, The Myth, The Legend by Grocamol reviews
A simple one shot fic I had made some time ago, time to share it. Enjoy!
Crossover - Halo & Mass Effect - Rated: M - English - Chapters: 1 - Words: 6,995 - Reviews: 5 - Favs: 20 - Follows: 14 - Published: 11/11 - A. J. Johnson - Complete
All the Stars by BlueWay reviews
When the Long Night of Solace is evaporated over Reach via the weaponized usage of a Slipspace Drive, it ferries with it in its swallowed sections the Covenant Empire and, more horrifyingly, the desperate measures that the UNSC used to fight them. When they are found in a universe on the precipice of their own history, the meaning of the term "Mass Effect" will change forever.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 46 - Words: 802,179 - Reviews: 1325 - Favs: 1,861 - Follows: 2,214 - Updated: 11/9 - Published: 6/8/2018 - SPARTAN-B312/Noble Six, Rookie, Shepard
NarutoMass Effect Challenge by bradwall0715 reviews
A challenge for anyone interested, Have fun and good luck.
Crossover - Naruto & Mass Effect - Rated: T - English - Chapters: 1 - Words: 1,076 - Reviews: 3 - Favs: 2 - Follows: 2 - Published: 11/9 - Naruto U., Shepard
War of the Old Ones by Ian the Mechanic reviews
In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?
Crossover - Mass Effect & Halo - Rated: M - English - Sci-Fi/Horror - Chapters: 25 - Words: 136,914 - Reviews: 149 - Favs: 304 - Follows: 456 - Updated: 11/8 - Published: 2/21/2022
The Long, Long Walk by This Is Sarcasm reviews
Having stopped the Hive incursion on Eden Prime at the expense of being stuck in Commander Shepard's reality, Crow is offered a place on the Normandy. With nowhere to go, he accepts, and finds himself at the front of the fight against the Collectors, while at the same time trying to learn how to trust the ship's residents. In the end, though... maybe he's not 'stuck' after all.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Angst - Chapters: 34 - Words: 123,556 - Reviews: 260 - Favs: 391 - Follows: 538 - Updated: 11/8 - Published: 9/15/2021 - Joker, Shepard, Dr. Chakwas, Crow
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