Left 4 Dead developer explains lighting choice

Valve developer, Randy Lundeen has explained in his blog why they made the decision to ‘lighten up’ the look of the survival-horror shooter. Apparently an earlier version of the game was made with a much darker lighting system. However those testing Left 4 Dead found they were unable to see zombie silhouettes in the background and were subsequently getting ‘mobbed’: While sudden zombie attacks were inarguably scary, they were also frustrating–players weren’t being given the information they needed …
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