Fair Grounds

Fair Grounds is a new campaign of Left 4 Dead 2, that takes place in a carnival. This campaign brings unique situations to Left 4 Dead 2. One situation described by the writer was that how weird it would be when the merry-go-round starts while your fighting a zombie horde.

"Fair Grounds" is currently the only known name for this campaign.

Trivia
This level looks very similar to the 2009 movie Zombieland, that has four survivors fighting zombies in an amusement park.