NPD Group so izdali seznam desetih najbolje prodajanih PC iger v ZDA za teden, ki se je končal z 31. majem:
1. The Sims 2 Double Deluxe (EA Maxis)
2. World Of Warcraft: Wrath of the Lich King (Blizzard)
3. Spore (EA Maxis)
4. World Of Warcraft Battle Chest (Blizzard)
5. World Of Warcraft (Blizzard)
6. Empire: Total War (Creative Assembly)
7. Reel Deal Slots Adventure (Phantom EFX)
8. Civilization IV: The Complete Edition (Firaxis)
9. The Sims 2 Apartment Life (EA Maxis)
10. Left 4 Dead (Valve)