User blog comment:Argorrath/Call of Duty games on sale for Steam's Sale/@comment-67.81.74.138-20121226192300/@comment-1937487-20121226214720

There's a discount for COD1, COD2 and COD4:MW, so I don't see why there isn't one for WaW.

Now that I think about it... shouldn't there be discounts for all COD games considering there's discounts for the first 2?