- Steam pricePrice
- $9.99
- Players
- 2 - 4
- Release
- November 16, 2009
- Session GoalsGoals
- Platforms
How co-op works
Up to four survivors fight through five co-op campaigns, coordinating routes, weapons, and melee combat against hordes and Special Infected. AI Director 2.0 changes enemy population, level paths, weather, and world objects according to performance, so each squad must adapt its plan.
About this game
Guide four survivors through infected territory in a cooperative campaign, covering teammates and managing supplies on the way to safety.
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Left 4 Dead 2 makes the group respond to shifting attacks from common and special infected. Stay within reach of a partner, help trapped survivors and decide when to spend scarce healing items. The director changes the pace and pressure of each run, turning familiar routes into new tests of the team's reactions.
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Frequently Asked Questions
How many players can team up in co-op?
You can play with up to four players total in online co-op. The game is built around a four-survivor squad fighting through campaigns together, though you can play with fewer people and AI teammates will fill empty slots.
Do we need voice chat or can we play without mics?
Voice chat is highly recommended. The game demands constant communication to call out special infected, coordinate heals, and survive attacks. While you can technically play without mics using in-game pings and text, you'll struggle since threats come fast and teamwork is essential.
How long does a typical campaign take to finish?
A full campaign usually takes 45 minutes to an hour depending on your team and difficulty. You can also play shorter gauntlet runs or individual chapters if you want quicker sessions.
What happens if someone gets separated from the group?
Getting separated is extremely dangerous. Special infected like Hunters, Smokers, and Jockeys specifically target isolated players and can pin you down, requiring teammates to rescue you. The game punishes solo players hard, so sticking together is critical for survival.
Is the game different every time we play?
Yes, the AI Director dynamically changes each playthrough by adjusting where enemies spawn, what weapons drop, and how intense the pacing gets. This keeps campaigns from feeling repetitive even after multiple runs through the same maps.