An unknown source posted an early prototype online. Left 4 Dead entitled Terror-Strike. It is currently available on the popular GameBanana platform as a mod for Counter-Strike: Source.
Recall that initially the basis of the cult zombie shooter Valve and Turtle Rock lay down a card called Zombie Citydesigned first in CSS and then in Counter-Strike: Condition Zero.
Terror-Strike is a not-so-detailed city map where, instead of zombies, four players have to deal with melee counter-terrorists. The goal is to survive the onslaught of enemies and get to the end of the map.
More on Aroged