On the prowl for all things Left 4 Dead 2? Valve sends word that the game will be playable at this year’s Comic-Con, showcasing an all-new campaign: Swamp Fever.

For those attending, the title will be playable from 2-9 p.m. on Thursday through Saturday and 12-5 p.m. on Sunday at the EA Gaming Lounge, located at the Hilton San Diego Gaslamp Quarter Hotel, 401 K. Street.

Valve also sent over a screen shot from the new campaign. The surrounding atmosphere in the above shot strongly suggests that dynamic weather effects, one of the newly added AI Director 2.0 procedural effects, will be shown off in this campaign.

Left 4 Dead 2 is slated to hit PC and Xbox 360 this November.

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