Steam, the extremely popular digital download service for PC games made by Valve Software, is wishing everyone happy holidays with a big sale until January 2! There are many PC game titles on sale at great prices, including:

• Bioshock - $4.99
• World of Goo - $14.99
• Sid Meier's Civilization® IV - $14.99
• Trackmania United Forever - $19.99
• Buy Warhammer 40,000: Dawn of War - Gold Edition - $9.99
• 25% to 50% off all THQ titles
• 25% to 75% off all 2K Games

Prices are in US dollars.

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