This is a story from the 2005 film Doom. This is a twincest fic between Sam and John Grimm. A plasma transfusion causes her to develop mating instincts from those humans so long ago. John instinctively responds like a typical neanderthal and smut ensues.

Annihilation Oneshot: Life in Mars City was pretty tedious. But it was much better than being stationed on one of the planet's moons.

No place is safe anymore, not when the mutation has spread. Those that have turned rule the earth with a savage thirst for blood, and those that survived have fled the plane. A new weapon may be able to turn the tides of this war and end the terror caused by C24. The one question is, should it? But there is something to fear, something unseen...till now. Book 3 of Doom Saga.

Hell is a place where your worst fears come to life. Hell is the place where everything and everyone you love dies. Hell is Olduvai, and I'm trapped here. JohnxOC fic. Rated T for swearing.

'Destroy the bio-hazard and any evidence of it. If all else fails, blow the facility' If only it was that easy. Ex marine and special operative Valkyrie Syn gets offered the freedom she has always wanted, but there is a price. A mission that she can't fail, along side her old rivals in RRTS unit 6. Be afraid of the dark, be very afraid. (John X OC) (Reconstructed) (Movie x Doom3)

After the events at Olduvia John is shipped to a new station. A station that doesn't seem right. Exactly how long have they been here?

Mars held demons for us all, there were days when I actually could put it all behind me. When I could almost ignore the nightmares that I saw every time I closed my eyes. That all changed when the call came. I thought I could make peace with my past, I thought I could end that chapter of my life. Hell is very real and it has awakened on Mars. God help us all. John/OC movieverse

title: Ghosts. (Russian...hint hint!) Hell is not all fire and brimstone. It isn't a burning pit of flames and smoke. Hell is cold and dark. It is demons living within the darkness, waiting, preying on you. They feed on your fear, thrive on it, and use it against you. For the living; Hell is Olduvai. Book 2 of Doom Saga

RRTS is about to face an evil they've never seen before. Same story, same team, but one extra kickass member. rated for massive gore and language. Book 1 of Doom Saga

From her transfer, to the Russian mission that nearly took her life. The story of Vera Dimitrov: Mira, is finally released, follow the ass kicking, short tempered, Russian soldier through missions that made her one hell of a valuable member of RRTS 6. And made her John Grimm's closest friend. Rated for cussing; Russian, English, and French. prequel to Doom: Reprise UNDER EDITING

Karina never understood her family. Not until she got a job on Mars, digging up human remains and stutying them to help human back on Earth. After the Mars base goes to hell, she is left to discover a secret that will unlock the lies her family had told her. GrimmXOFC

John 'Reaper' Grimm begins to struggle with his growing strength and animalistic behavior as command of the RRTS is given to him. Now he as to deal with new people! John/OC Originally a One-Shot called His Afterlife. T rated beginning, might change over time.

Sam hasn't seen John in over two years, but it figures he'd show up when least expected.

A one-shot about John's thoughts soon after they return from Mars.

A collection of oneshots featuring Grimm and one of my own characters. For now the rating will be T. Might change later as story progresses. Grimm/OC

My name is Anne Black and my best friend is Sam when we went to retrieve research data we weren't prepared for what waited for us while doing it. John/Oc

John will do anything to help Sam recover from the injuries she received at Olduvai. Anything.

i kn ow it's not doom but it's about a guy named kyle james he's 21 and things begin to turn for him.

Post-movie. In the aftermath of a nightmare, Reaper visits his memories and comes to with the past. Sarge/Reaper

RRTS Unit Six gets a new member. Reaper/OC. Oneshot.

John 'Reaper' Grimm is back with a new team. But this time, he has a couple of skirts making things interesting for himself and the other men on the team. Lenore Jones he has no problem with, but Penny Hunter is another story entirely.

A doctor left for dead, a little girl hidden away along with a body. Here's a twist, only a group of people can see her.

Everyone else had buggered off to enjoy their furlough and sure he was going off too in a few minutes but they had all gone off together and he was going to be on his own...again... SLASH Mac/Portman

The air is thick, the muted sound of thunder rolling through the desert, along with the dry sound of wind rushing over the dirt and scrubby brush land... John and Sam Grimm - General

John Grimm had never thought himself a ladies' man. Short and fluffish, more than likely a oneshot.