But as the night wore on, the game seemed to get progressively harder. The zombies grew more aggressive, and the special infected more cunning. We encountered a Witch, her glowing eyes fixed on us like a predator sensing prey. My heart racing, I aimed my shotgun and took her down.

In the end, we emerged victorious, but not without scars. As the credits rolled, I felt a sense of accomplishment and relief. I had survived the Left 4 Dead campaign, and I couldn't wait to do it again.

As I waited for the installation to complete, I gazed out the window, watching the autumn leaves rustle in the wind. It was a crisp October evening in 2008, and the world outside seemed peaceful. Little did I know, I was about to embark on a journey that would take me through the darkest corners of a zombie-infested world.