"Left 4 Dead 2 Developer Interview, find out what's new from Valve"

Left 4 Dead 2 Developer Interview

Left 4 Dead 2 SDCC 2009 writer interview. Valve announces a new special infected called the spitter. After testing from the first game they found that people were grouping together in a corner, to get rid of this they introduced the spitter special infected. Valve also shows off some new weapons and levels.