A.N.: Hi Doom fans! It's my first Doom fic. The first chapter is very short, but I hope you like it. More chapters will come soon! By the way, I need a beta reader for my Doom stories. If someone is interested in helping me, please contact me.

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Chapter 1: The Nightmare

ROAR!

(footsteps)

(explosions)

I saw myself running through the dark corridors, and I could felt the monsters tracking me down. I stumbled over a broken pipe and fell. My weapon went flying three meters ahead. I felt the terror. A monster was behind me. It prepared a fireball and threw it to me. I stood up quickly and got out of the way of the fireball. I took my pistol from my belt and returned the attack. I shot several times at the monster in the head, but my bullets seemed not to do enough damage. The last bullet of the magazine was fired. I had no more weapons. Luckily the last shot was the one the monster needed to die, and the creature fell down, disintegrating between clouds of nasty, stinky red smoke. I was shivering.

I picked up my shotgun and continued running. A zombified security guard suddenly appeared in a corner and stood in front of me. I shot, and reduced him into bloody gibs. His head continued moaning frantically, in a puddle of dirty blood.

I arrived to the hall of the research complex. I felt someone behind me. I turned back, and a zombie was pointing his shotgun to me. Time stopped. I remembered my entire life as he pulled the trigger and shot at me in the stomach. I fell. I felt myself vomiting blood and my guts hanging out of my body. I screamed. Finally the zombie pointed his gun to my face. And shot.

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I woke up. It was a nightmare. The same nightmare I have had since four years ago, when I survived the catastrophe in Mars. When I went to Hell and returned with the Soul Cube in my hands. When I defeated the biggest demon anyone had ever seen. I knew the same had happened three years ago… then I had to take psychological treatment.

Fear, hopelessness and insanity made their way into my mind. But I've gotten over the past.

I felt tranquilized when I knew the UAC had stopped its research program in Mars. But… really they did? Sometimes I felt it wasn't over yet. I've quit the UAC marines. I got rid of my medals and everything that could make remember my years in the military.

Little I knew that, in fact, it wasn't over yet. I had to fight again. And I'm gonna tell you what happened. When you think a nightmare is over, it's just beginning.

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"We got a survivor. A marine."

"Corporal, are you okay? Can you hear me?"

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"Of course I can hear you" I thought. "And I'd like to tell what happened, how Hell screwed up everything here, but if I tell you what really happened and everything I've seen, you'll say I'm crazy, and you won't believe it."

So I didn't say anything.

I have preferred to remain silent. Until now.

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Update coming soon.