It's time for an overview of the most popular games based of the Direct drive and Steam. The NPD Group will no longer release its weekly charts of the ten best-selling PC games at United States retailers to the media.

Direct2Drive's Top Ten (6/14 - 6/20)
1. The Sims 3 - Electronic Arts
2. The Sims 3 (Mac) - Electronic Arts
3. Ghostbusters: The Video Game - Terminal Reality
4. Prototype - Radical
5. Civilization 4: Complete Edition - Firaxis
6. Fallout 3 - Bethesda
7. Aion: The Tower of Eternity (Pre-Order) - NCsoft
8. Call of Duty 4: Modern Warfare - Infinity Ward
9. Mass Effect - BioWare / Demiurge
10. Call of Duty: World at War - Treyarch

Steam Top Ten (By Revenue) (6/14 - 6/20)
1. Prototype - Radical
2. Empire: Total War - Creative Assembly
3. Left 4 Dead - Valve
4. Ghostbusters: The Video Game - Terminal Reality
5. The Elder Scrolls Game of the Year Pack Deluxe - Bethesda
6. Counter-Strike: Source - Valve
7. Team Fortress 2 - Valve
8. Killing Floor - Tripwire
9. The Elder Scrolls IV: Oblivion Game of the Year Edition Deluxe - Bethesda
10. The Orange Box - Valve