Aging game machines and the lack of a substantial price cut took their toll on the video game industry in 2003 as sales slipped 4 percent from 2002 totals to $11.2 billion.

PC games took the biggest hit, according to The NPD Group, which tracks the industry's sales. Stung by the delay of key titles such as "Half-Life 2" and "Doom 3", 2003 sales came in at $1.2 billion, a 14 percent drop from 2002's figures. Software for home video game consoles climbed 14 percent.

Read more: CNN.