NPD, Temmuz 2006 için A.B.D.'de en çok satılan yirmi PC oyununun listesini yayımladı:

1) World of Warcraft - Vivendi
2) Elder Scrolls IV: Oblivion - 2K Games
3) Guild Wars Factions - NCsoft
4) The Sims 2 - Electronic Arts
5) Heroes Of Might & Magic V - Ubisoft
6) The Sims 2 Open For Business Expansion Pack - Electronic Arts
7) Age Of Empires III - Microsoft
8) Half-Life 2: Episode 1 - Electronic Arts
9) Rise Of Nations: Rise Of Legends - Microsoft
10) Star Wars: Empire At War - LucasArts
11) Civilization IV - 2K Games
12) The Sims 2 Family Fun Stuff Expansion Pack - Electronic Arts
13) Cars Radiator Springs Adventures - THQ
14) Lord of the Rings: Battle For Middle Earth II - Electronic Arts
15) Battlefield 2 - Electronic Arts
16) Hitman: Blood Money - Eidos
17) Warcraft III Battle Chest - Vivendi
18) Guild Wars - NCsoft
19) Call of Duty 2 - Activision
20) The Sims Complete Collection - Electronic Arts