The Lighthouse

The Lighthouse is a map featured exclusively in Survival Mode. It is the only map in The Last Stand campaign. The layout of the map is centered around a small group of connected buildings, with the largest being a two-story lighthouse. The buildings consist of a small storage shed, behind which is the first of the two rooms of the main lighthouse building. A stairwell in the larger room allows the players to reach the top level of the lighthouse, which can also be accessed through a system of ladders around the buildings. The machine used to start the map is located in a separate garage-type room, and is a large fuel pump. There is an obscenely large number of Gas cans and propane tanks on this map. The ammo pile and other weapons are inconveniently located on the outside of the house, which means you may not have a chance to change weapons or grab ammo when the horde attacks.

Gameplay
The chapter serves as a Survival Map for the game, the only thing the player or players need to do is survive for as long as they can. This chapter does not require the players to reach a safe room or get rescued to win but by setting a record for surviving for a long period of time against an endless stream of Infected.

Tactics

 * Since the map is placed in a forest area, use the various fuel and propane tanks given to you to create a perimeter around the buildings. You won't last long anyway, but it should help keep a large amount of the horde off your backs. Just remember to use the hunting rifles to shoot propane tanks, gas tanks, and oxygen tanks from far away.
 * The stairwell, while being a cramped location, can give the advantage of a sort of choke point, and the high-ground defence tactic. Infected can jump through the windows above the stairwell, negating some of the high-ground advantage; however, it is also more difficult for Special Infected to reach you.
 * It is ill-advised to stay within the rooms during a Tank attack, as there is not much room to move around. However, sticking close together may help your team focus their gunfire.
 * Be careful about how close you are to the edge at the top of the lighthouse when there is a Tank or Smoker; Survivors can easily be knocked or pulled off.
 * Smokers are especially dangerous to the Survivors if they plan on using the roof as a defensible position. Because the Survivors are exposed, the Smokers can drag them out of reach of the other Survivors, and they can be killed quite quickly.
 * A good place to set up is in the generator room. Set up several gas cans around the room for the initial few minutes, have two molotovs and two pipe bombs, and have all four Survivors have auto shotguns. Using the bump on the water heater, get two Survivors in each space between the pipes. Start the generator, and use only pistols until the Tank music starts. When the Tank begins to climb the water heater, unload on him. He should die before being able to do any damage. Once the Tank is dead, pull your pistols out again and repeat. A good time to get ammo is at about 9 minutes. This is at a time when there is a break of spawns. Just beware of Special Infected hiding around. Good luck!
 * Another great spot to fight is the chimney on the lighthouse. You must be all humans, as this does not work with bots. All four Survivors either grab an assault rifle or a hunting rifle. Then trigger the swarms and go to the chimney. All four Survivors must be on the chimney, or else it won't work. Now that you are on the chimney, Infected will just stand and they will never try to attack your team. This is because this spot isn't "nav marked," so the AI thinks it's outside the world. The Tank, Common Infected and Boomers won't get you. Rarely, a Smoker or a Hunter will attack, so keep an eye on each other.
 * An alternative to an all-human team would be to kill the AI bots prior to starting the lighthouse generator.
 * Another good place to fight is the fireplace room. Have everyone grab auto shotguns and dual pistols then station themselves in the corners. Have someone activate the fuel pump, then run inside. The wall to the left of the fireplace will come down, allowing Infected and Special Infected to come into the room and attack you. Make sure you man the doors and the broken down wall after the attack comes, as you will have your hands full by the time the doors are destroyed and the wall is demolished. You will almost have no breaks (hence the name "Survival Mode"), but it is a convenient place to fight, since you are close to the ammo and supplies outside.
 * If you are going to head inside the house, watch out for the walls. They can easily be broken down, and the last thing you would want is a Smoker dragging you outside. Remember, Left 4 Dead is a game based around teamwork; have someone go with you for safety.
 * There is another ammo pile located on the roof of the fuel pump room. If you manage to survive long enough to need more ammo, this pile is safer than going all the way to the ground.
 * Almost every room (including the lighthouse tower) has a decent-sized pile of pipe bombs and Molotovs; use these to your advantage.
 * Try to avoid being on the ground outside the house. Infected will swarm around you making movement to safety almost impossible.
 * Another good way to start the round is to start a campaign and change the difficulty to Easy. The Easy difficulty would then be passed on to this chapter giving less damage to the Horde and lesser health to the Tank. This is best when all players are human-controlled and everyone should last longer to earn a gold medal. Just remember to stick indoors and good luck!

Left 4 Dead 2 Version
For a long period of time, this was the only map from Left 4 Dead that was not made available in Left 4 Dead 2 as part of the Cold Stream DLC (aside from community-created ports available as add-ons). When asked if it would be available officially, the Left 4 Dead developer twitter said they wanted to "do something else for co-op players" that was "what (Last Stand) was originally intended to do". It is unknown what this was hinting towards and whether it made it into the game in any form.

However, in September 2020, as part of a surprise collaborative community-driven update, The Last Stand was remade as a full, two-chapter Campaign for Left 4 Dead 2, playable in all modes, with a greatly expanded adaptation of The Lighthouse serving as the second and final chapter. This remake is exclusive to the PC version of Left 4 Dead 2.

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