Weekend game deals: 50% off Killing Floor and DLC, Dirt 2 $10

If you missed Direct2Drive's sweet $6 sale on Dirt 2, Microsoft is offering a second chance to save big. Although it's not quite as cheap, the title is priced at only $9.99, far under the standard $39.99 retail rate. Steam has discounted Killing Floor and its various DLC packs by 50% along with the popular indie tower defense title Sol Survivor, which is currently $4.99. Meanwhile, Impulse cuts 50% off all Oddworld Inhabitants and TopWare Interactive titles, Good Old Game has reduced 10 Atari classics by 30 to 50%, and Direct2Drive offers 15% off 500+ action games via code "rockinaction".

Steam
Sniper: Ghost Warrior Map Pack $2.99 (70% off)
Killing Floor $9.99 (50% off)
Sol Survivor $4.99 (50% off)
Call of Duty: Modern Warfare 2 $40.19 (33% off)

Direct2Drive
15% off all "action" games with coupon code "rockinaction"

Impulse
CitiesXL $9.99 (50% off)
World War II - Time of Wrath $14.99 (50% off)
Morning's Wrath $4.99 (50% off)
Sacred 2: Fallen Angel $9.99 (50% off)
Divinity II $14.99 (50% off)
50% off all Oddworld Inhabitants and TopWare Interactive titles

Games for Windows
Dirt 2 $9.99

Good Old Games
30% to 50% off Atari classics