The deadontime_051209_2990.zip file you have requested: Maps Levels Missions / Coop Maps / Left 4 Dead Co-op Map Dead on Time - 49.19mb 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:
Dead on Time is a co-op campaign for Left 4 Dead. In this quick-campaign, Survivors must fight their way through city streets to the military evacuation outpost in the train station.