During the Covenant/Human War, both sides lost ships. Some of them were under mysterious circumstances. Most ship losses where easily explainable as Slip-Space accidents or interference. But 1 ship, vanished during an investigation of Forerunner artifacts on 2531, was never explained.

Master Chief wakes from his slumber only to be catapulted into another galaxy, where he will meet another tireless soldier working to save humanity. Picks up where Halo 3 left off.

SPARTAN-333 finds himself in the Mass Effect universe with his A.I companion Tanya. The SPARTAN Still haunted by the fall of Reach and everyone around him, a certain Quarian may be able to give him the peace he is striving for. Rated M for strong language

The year is 2525 during the golden age of Humanity. After centuries of expansion Humanity will encounter an alien intelligence and realize that no amount of preparation could have prepared them for first contact. Contact with Harvest is lost and the Human Race will dedicate itself to Interplanetary War once more. The Covenant has conquered more species into it's Empire.

Jastis-015, a Spartan-II, accidently lands in another universe where he must adjust to this new society and conquer foes that threaten the wellbeing of galactic peace. Even though he has no stakes within this universe, a Spartan must do his job. Post ME3/Halo 3 (Pre-Halo 4) – Decent chunk of OC characters. Not finished - Rebooted: /s/9168709/1/Far-From-Home

A hero need not speak. When he is gone, the world will speak for him. Follow Rookie the young helljumper as he attempts to piece together to how did he ended on this messed up place...

The galaxy holds many secrets. Some more dangerous then others. This is the story of some of these secrets. Set in The Last Spartan-verse, written with permission. OCs, rated for swearing and future content.

This is the timeline for TheMantleverse, and also is the archive of the many massive info-dumps I will be putting up. BEWARE: MASSIVE amounts of information inside. Risk of over-saturation present.

A story about a new team of heroes witch must defend all the galaxies by the greatest threat ,contains elements and characters from:Mass Effect,AvP,Halo,Quake4,Half Life series,Doom and lots of characters.It is the first story.Please tell me if you don't like something and I should correct it.

The USF...founded in the ashes of the Great War has spent years rebuilding. They are inheritors of the Forerunners and are ready to take hold of the Mantel...but first they have to deal with another Galactic Superpower. However, dark forces gather as these two groups fight to gain control of the Galaxy.

Master Cheif has some challenges awaiting

You've heard of Galaxy of Fantasy? Introducing the new game from Forge Games, Galactic Warlords! Play as your favorite races and armies and conquer the galaxy! Includes bad codex updates, annoying retcons, and contradicting canon! Parody of my official fanfiction Collapsing Empires.

An epistolary novel which recounts the personal stories of those involved in the war against the Flood. (Based off "Lost Legacy")

Second story of the Agenzia series. I made this one a crossover because i couldn't decide which one to do first. You will like them.

Everything happens for a reason in this universe, so why not in another, well in a time after the Great War, a strike team of Spartan IV's will soon find out.

M to be on the safe side The reapers return kick the citadel forces ass from the citadel and continue to whipe them out due to no Shepard intervention and then they meet the UNSC and the Species empire... Mid teir tech MT and GT with Smac TT

Full summary inside! contains major halo 4 spoilers, you have been warned!

Post Halo 4, war erupts on multiple fronts with Prometheans, Covenant of all kinds, the UNSC, and a new Insurrection. Artifacts from Precursors and an unknown race leaves scientist of all sides bewildered. In the Mass Effect galaxy, after the Reapers defeat, peace is restored. A dimension called slipspace is discovered while studying tech from the Leviathans and an unknown race.

The human covenant war has ended, but even in the end of the war, the storm continues to rage. Another war has come, and the UCAF faces a new threat. The chronicles of Shepard as he and members of his force escape into Council Space, war expands into the galaxy. THe Adjutant begins its first move, the troops gear up and prepare for battle on Oma Ker, Shepard's first command. CH4

It's the end of Mass Effect 3, and it sucks. Luckily Commander Shepard won't take it lying down. A collection of random alternate endings to ME3. This story is complete and utter crack. Rated M for language and adult situations. Shepard M and Liara.

The detonation of the slipspace drive goes wrong and the Spirit of Fire is engulfed in the blast. The Everest enters an unstable rupture. Jorge doesn't perish activating the slipspace bomb in the Ardent Prayer. The Forward Unto Dawn makes it through the portal. The Infinity enters a merged rupture. The universe they return to is very different from the one they left. Can they cope?

Due to popular opinion, this will be a full fic. A Mgalekgolo arrives in the MEverse and tries to fit in despite being the only one of his kind. In this new galaxy, this lone Hunter will uncover the remnants of the great Forerunner Empire and possibly...love? (Adjusted the title, changed Sci-fi to Humor)

During the retaking of Harvest in 2558, Spartan-Blue team discovers the universe that the Humans inhabit is much bigger than anyone before thought with the discovery of an Asari captive of the Covenant. But is Humanity able to even coexist, if not at all cooperate, with the newly found Council? Or will the Humans give into their own nature and war with them in the name of survival?

Spartan C-077 thought his whole life was to be spent aboard a recon destroyer, his training going to waste. But he has no idea how wrong he is until he lands on an unknown planet with an unstable sun.

Tales don't start at one discrete place, one discrete point in time where everything went to hell. They don't end like that either. They're...a mix, dozens, hundreds of people of varying importance, thrown into events that shake the galaxy at different points and different times. Entering and exiting seemingly at random. And, in the chaos, is a story told as the galaxy burns