The Bitter End mod for Half-Life 2

You're standing in the lobby of a hotel. Doors are blocked with anything found lying around. Not knowing what danger lurks about, your instincts tell you this haven must be defended at all costs. You cant see whats happening outside due to barricaded windows.. You can only hear gunshots... Screams... Suddenly you hear a knock on the door, and the password is heard. Three soldiers come down the stairs and open the door for the awaiting engineer, who then rushes into the building to begin analysing newly discovered Glock blueprints. Palms sweaty, eyes weary, you hear a scream. The chairs and tables blocking the windows begin breaking down from violent outside hits.. Hands - bloody, battered hands - begin reaching inside the building. The newly welded metal hotel entrance begins denting, beaten down by unhuman forces. Silence... You swallow loudly, looking over to your teammate while loads of undead humans pour into the now unhinged door. Your teammate promptly gets his limbs torn off...