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It featured special enemies that were a thrill to take down, a huge arsenal of melee weapons, a new AI dubbed AI Director 2.0, and many more. The developer would go on to release a sequel called Left 4 Dead II, which was also very well received.Īlthough Left 4 Dead II was made using the same engine as the previous game, several changes were made to the game. Enemy numbers, placement, difficulty, and other factors were changed by the AI Director each time, so no game was the same, adding good replay value to the title. The game pitted you and your teammates against hordes of zombies, with each game being different thanks to the game’s AI, called AI Director. The game had other modes as well, such as a single-player mode with AI-controlled teammates, a four-player survival mode as well as an eight-player versus mode, but the real fun for many players was the four-player co-op campaign mode in which you could add your Steam friends and go through the campaign together. It was a first-person shooter developed by a division of Valve that focused on cooperative play and replaying value. Left 4 Dead left quite an impact on release.
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