Best-selling PC download games of the week: 5-year-old 'Civ IV' outsells 'Civ V'

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Pre-orders for the next Civilization strategy game started in earnest during the week of May 3-9 as Civilization V picked up a healthy amount of interest on the Steam Network's store for downloadable PC games, not dampened by a vague release date of "fall 2010".

Modern Warfare 2 was boosted by a weekend sale and the presence of extra multiplayer maps in the Stimulus Package, while Civilization IV (first released in 2005) was part of a cross-promotion with the Civ V pre-order.

The Codemasters Racing Pack benefited from a similar cut price deal, containing as it does the excellent DiRT, DiRT 2, FUEL, GRID, and ToCA 3, and the Guild Wars Trilogy of online multiplayer adventure games was also a bit of a bargain being made available for half the usual price in celebration of the first game's five-year anniversary.

01) Call of Duty: Modern Warfare 2 Stimulus Package
02) Sid Meier's Civilization IV: The Complete Edition
03) Battlefield: Bad Company 2
04) Call of Duty: Modern Warfare 2
05) Left 4 Dead 2
06) Codemasters Racing Pack
07) Tom Clancy's Splinter Cell Conviction Deluxe Edition
08) Sid Meier's Civilization V
09) Guild Wars Trilogy
10) Grand Theft Auto: Episodes from Liberty City
Chart positions reflect total revenue gained by the Steam Network.