The Human-Covenant War has raged across a dozen worlds, leaving them as glassed tombs. As the War comes to Skopje, the elite members of JTF Barracuda seek to end the invasion by eliminating every Covenant leader they can. But as these elite operator's sabotage, assassinate, and disrupt the Covenant, a far greater threat may be looming. Closer than anyone realizes.

Fireteam Claymore a group of young Spartan IIIs undertake their first mission.

As humanity's greatest stand ready to defend their homeworld from the alien Covenant, a disgraced commander is given a new role, but what he discovers has the potential to shatter the very ideals he fights for. A novelization of Halo 2.

Somehow, someway, she is here. The woman who died on that planet. We were told she was dead. But here she was. She turned to leave, but I grabbed her arm before she could. "Wait! Please stay." She turned to me with surprise, it turned into a simile that matched her face nicely. "Alright…I'll stay…"

Pulled from her assignment to eliminate pockets of the Covenant remnant, Kelly-087 is given a new mission after she stumbles upon an atrocity: to hunt down and kill one of her own. A Spartan. On Kelly's mission to destroy her target, she will come face to face with not only the terrible will of her quarry, but of her own harbored doubts. Extreme prejudice authorized.

Hello, Halo FFN readers. If anyone remembers this, you're not imagining things. This is DonutBeagle's attempt at giving closure to the Halo trilogy in a way that's at least sincere than the continuation by 343 and the awful abomination of a TV series, back in action. This fic is Wayback "freezeframe" in slightly-modified format. Credit goes to original author, I simply do recovery.

After escaping Reach, Kaiya is yet again thrown onto another trail. This time she's determined to find out more about herself. Discover her place in this war-torn galaxy. Old friends will reunite. Love will be discovered in an unlikely person...or persons. An ancient evil emerges.

CIVILIAN SOS BEACON DETECTED. UNSC CORVETTE PRIMO VICTORIA DISPATCHED. ASSIGNED MISSION LEAD: SPARTAN COBB. SITUATION DEVELOPING.

A sequel to The Flood, and an in-depth telling of how The Covenant invaded Earth, found Delta Halo, and then collapsed in on itself in the Great Schism, and how Humanity fought them tooth and nail at every turn to prevent their annihilation, fronted by Spartan 117 and the Covenant's disgraced fleetmaster, now The Arbiter

Or 'How I became the bane of Humanity's enemies'. It just happened. I was there. It was ugly as hell, but now I'm helping as much as I can. Of course, things had to start in Harvest... but I'm not alone. (Halo Marine!Insert) (Some characters have been Genderbent, just a few)

The war is over, the Master Chief is no longer needed. John tries to assimilate into civilian life but old enemies still harbor anger and will do anything for revenge.

[FIRST INSTALLMENT] Ludo "The Plague" 'Macdemee and his commanding officer join the Arbiter on his mission to stop the mad Brute Chieftain, Tartarus. More and more surviving victims of Tartarus's cruelty join the team as it fights through tens of crazed enemy warriors to the one thing powerful enough to bypass the Halo control room's defenses: a Scarab walker.

Kaiya Walker was just your average cowgirl who enjoyed the nice things in life. Even with the Human-Covenant War raging on through the universe, she was content on her planet. That is until one day while on a trail ride with her friends, they came across a large unusual door. Once those doors open, Kaiya's life is turned upside and she's hurled into an unknown trail.

A list of the UNSC's Post-War Capital ships (Post-War AU)

Amonika's family lives in a time when Humanity faces an existential threat: extermination by a vastly superior alien enemy known as the Covenant. They live hidden from the Covenant on possibly the most guarded planet Humanity has left, Reach. But for all their security, living in times like these shakes faith and breaks spirits, when the cares of life can no longer distract them.

The 23rd age of doubt began thirty eight years ago, and while the discovery of the brutish race, the Jiralhanae, recently shook the Covenant, not much has changed for the Theocracy. However on the asteroid T’vao, a young Skirmisher is born and her story will shake the Covenant to its core. SI OC Skirmisher, starts 25 years before Harvest.

List of all active UNSCN fleets

While the battle for the planet Daedalus rages in space, the Covenant searches for Forerunner artifacts on the surface. It is left to the Spartan-II Blue Team and their creator, Doctor Catherine Halsey, to make sure that the alien juggernaut doesn't get what it seeks. But when lines become blurred on both sides, it becomes a battle for survival for everyone.

Fural 'Nasmai, an aspiring Blademaster within the Covenant, is sent on a deadly mission to eradicate humanity. Matthew Svenson, a UNSC marine, is tasked with survival alongside the entire crew of the Pillar of Autumn. As a bloody war rages across the surface of Alpha Halo, deadlier threats lurk underneath. Neither side knows what they're in for, but both must make it home alive.

Halo: Feet First covers the story of a team of UNSC Orbital Drop Shock Troopers of the 7th Battalion, 105th Shock Troops Division. The main character, Duncan Iris, faces the full horror of the covenant war effort against humanity as well as the brave retaliation of outnumbered and outgunned UNSC forces. However, he also witnesses the turning of the tides as the war progresses.

When the UNSC mothership slips away without reason, Gillion is left stranded as the pilot and sole survivor of his Pelican crash. He is on an unknown planet, in an unknown ecosystem and worst of all; an Elite is stuck on the planet with him. Female Elite/Male Human.

Re-readopted from JTF0012. Noble Team has been tasked to defend Reach to their last breath from invading Covenant forces, an impossible mission. Can the meeting between a female Sangheili and Noble Six change the course of the battle and more importantly, the Universe? fem. Sangheili/Male Noble Six

Two Spartans have to deal with the aftermath of Operation: WARM BLANKET in their own way. One-shot. Fred/Kelly

It has been 15 years since the Battle on the ark. Now awoken, John finds himself in a galaxy at war. Human and Alien factions fight for control in a power vacuum left by the destruction of the Covenant and UNSC. With is former loyalties gone, the galaxy at war, the Chief now needs to decide if he's human or machine. Harems and sex.

Oneshot: Spartan-IV "lone wolf" operatives were effective in the field, but the strength of the wolf still lay in the pack.