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They have a SDK for each of their games including Left 4 Dead and Left 4 Dead 2, which allows for easy creating and installing of custom campaigns. Xbox 360 players are unable to use custom content due to technical and financial difficulties regarding porting community-based content over. Custom content can only be created and used by PC users.
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Some custom maps are specifically designed for game modes like Scavenge and Survival. Custom Campaigns is a creation made by the community, and not by Valve.Ĭustom Campaigns, also known as Community Campaigns, are community-created campaigns that can range in size from a full campaign, to a single chapter.
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