NPD's Top Ten (5/31 - 6/6)
1. The Sims 3 / EA Maxis / $49
2. The Sims 3 Collector's Edition / EA Maxis / $69
3. The Sims 2 Double Deluxe / EA Maxis / $20
4. World Of Warcraft: Wrath of the Lich King / Blizzard / $38
5. World Of Warcraft Battle Chest / Blizzard / $40
6. Spore / EA Maxis / $40
7. Real Deal Slots Adventure / Phantom EFX / $20
8. World Of Warcraft / Blizzard / $20
9. Empire: Total War / Creative Assembly / $49
10. Fallout 3 Operation Anchorage & The Pitt Expansion Pack / Bethesda / $20

Direct2Drive's Top Ten (5/31 - 6/6)
1. The Sims 3 / EA Maxis
2. The Sims 3 (Mac) / EA Maxis
3. The Sims 3 (bundle with Prima Guide) / EA Maxis
4. Assassin's Creed Director's Cut / Ubisoft Montreal
5. Civilization IV / Firaxis
6. Delta Force: Xtreme 2 / NovaLogic
7. The Sims 2 Double Deluxe / EA Maxis
8. The Sims 3 (Mac) (bundle with Prima Guide) / EA Maxis
9. Mass Effect / BioWare
10. Civilization IV: The Complete Edition / Firaxis

Steam Weekly Top Sellers (by revenue, as of 5/31 - 6/6):
1. Left 4 Dead / Valve
2. Killing Floor / Tripwire
3. Assassin's Creed / Ubisoft Montreal
4. Team Fortress 2 / Valve
5. Unreal Tournament 3 Black / Epic
6. Penumbra Collector Pack / Frictional Games
7. Counter-Strike: Source / Valve
8. The Orange Box / Valve
9. Freedom Force Pack / Irrational Games