The live4ever_310709_1686.zip file you have requested: Maps Levels Missions / Multiple Gametypes / Left 4 Dead Map Live4Ever - 19.54mb is not available. Perhaps try browsing all files for the game Left 4 Dead and upload any files you want to share or are missing. This is the only information we could locate:
Now actually works online - sorry for that bug ! Live 4 Ever, is a campaign going through different environments.