Weekly PC Sales See Left 4 Dead, MMOs Reign

September's forthcoming assault of massively multiplayer games continues to dominate the sales charts, as pre-orders for Aion appear on both Steam and Direct2Drive's listings, with Direct2Drive also seeing Champions Online and Fallen Earth rank highly.

The respective figures for each digital distribution outlet follow below:

Steam's Top Ten (by Revenue) (8/16 - 8/22)

1. Left 4 Dead / Valve

2. Aion Collector's Edition (pre-order) / NCsoft

3. Counter-Strike: Source / Valve

4. Killing Floor / Tripwire

5. Team Fortress 2 / Valve

6. Fallout Collection (F1, F2, Fallout Tactics)

7. The Orange Box / Valve

8. Hearts Of Iron III / Paradox Interactive

9. Valve Complete Pack / Valve

10. Osmos / Hemisphere Games

Direct2Drive's Top Ten (8/16 - 8/22)

1. Champions Online (pre-order) / Cryptic

2. Fallen Earth (pre-order) / Fallen Earth, Icarus Studios

3. Aion Collector's Edition (pre-order) / NCSoft

4. Rise of Flight / neoqb

5. Civilization 4: The Complete Edition / Firaxis

6. The Sims 3 / The Sims Studio

7. Fallout 3 / Bethesda Softworks

8. Hearts of Iron III with Sprite Packs Bundle / Paradox Interactive

9. Call of Duty 4: Modern Warfare / Infinity Ward

10. Neverwinter Nights 2 Complete Bundle / Obsidian