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Left 4 Dead / Campaign order

Left 4 Dead campaign order: No Mercy, Death Toll, Dead Air and Blood Harvest

Find the original campaigns, later additions and the finale type to prepare for.

Edition covered

The original Left 4 Dead, with its official PC campaigns and updates. Steam header art says Game of the Year Edition. Sequel-only melee weapons, Spitters, Chargers and Jockeys are excluded.

Begin with the four launch campaigns

Louis and Bill fire from a damaged hospital corridor.
Louis and Bill fire from a damaged hospital corridor.

The launch campaigns provide four distinct trips to rescue: hospital, riverside town, airport and rural farmland. Each is a self-contained selection in the menu. No Mercy is a clear starting point for learning interior movement and rooftop finale coordination.

Launch campaigns
CampaignEnvironmentFinal rescue
No MercyCity streets and Mercy HospitalRooftop helicopter
Death TollTown, woodland and riversideBoat
Dead AirCity rooftops and airportAircraft
Blood HarvestWoods, railways and farmlandArmored rescue vehicle

Identify the later official additions

Crash Course is a shorter connecting campaign, and The Sacrifice adds a story-focused finale. The original game’s Last Stand is a Survival map; the full Last Stand campaign belongs to Left 4 Dead 2. Check the game and mode when choosing a guide.

Official additions and mode distinctions
ContentOriginal Left 4 Dead roleWhat to know
Crash CourseAdditional campaignShorter bridge between major escapes
The SacrificeAdditional campaignFinale requires a survivor’s sacrifice
The Last StandSurvival locationNot the sequel’s full campaign
Survival updateTimed holdout modeSurvive longer rather than reach a safe room

Plan the holdout before calling rescue

At a finale, locate ammunition, health supplies, throwable items and the vehicle’s approach. Agree on a place with room to retreat from a Tank. Start the event only when everyone is ready, then keep the same rescue priorities as in ordinary chapters.

Follow the vehicle rather than the score

Finale survival is an objective, not an endless-kill challenge. When the rescue arrives, move as a group and free anyone pinned along the path. Campaign and Versus can share locations, but opponent behavior changes dramatically when humans control the infected.

Useful tip

Finale survival is an objective, not an endless-kill challenge.

References
Guide references
ReferenceWebsite
Left 4 Dead — publisher listingstore.steampowered.com
Left 4 Dead Wiki: campaignsleft4dead.fandom.com
Left 4 Dead Wiki: weaponsleft4dead.fandom.com
Left 4 Dead Wiki: special infectedleft4dead.fandom.com
GameFAQs: original Survival modegamefaqs.gamespot.com