Left 4 Dead Ads Infect San Francisco Subway
The advertisements are part of Valve's massive $10 million marketing campaign for the cooperative zombie shooter, which arrives in PC and Xbox 360 form on November 18.
The subway ads join a L4D billboard in Seattle, WA, recently spotted by fansite Left 4 Dead 411, with Shackers melkore and Darkfox76 reporting that more billboards are located in Chicago, IL alongside Highway 94 and Vallejo, CA alongside Highway 29.
For more on Left 4 Dead, check out our recent hands-on preview with the playable undead and interview with Valve marketing VP Doug Lombardi.
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When was in Chicago This weekend i saw a huge billboard on Hiway 94 so it's in the midwest now too.