Call of Duty: Modern Warfare 2
Valve has released Steam's weekly top ten best sellers list for the week ending in December 5.
Modern Warfare 2 edged out Left 4 Dead 2 as the big budget sequels hold the top two spots respectively.
Several less than usual suspects made the list based on the holiday sale the digital distributor recently held.
1. Call of Duty: Modern Warfare 2
2. Left 4 Dead 2
3. THQ Complete Pack
4. Mirror's Edge
6. Battlefield 2: Complete Collection
7. Dragon Age: Origins
8. Left 4 Dead
9. The Chronicles of Riddick: Assault on Dark Athena
9. Tomb Raider: Underworld
10. Dragon Age: Origins Digital Deluxe Edition