NPD released its PC sales report for May on Thursday, and World of Warcraft was still safely ensconced as the top seller for the computer market. WoW actually took the top two slots, as the combination of the Wrath of the Lich King Expansion pack and the WoW Battle Chest dominated. WoW also came in on the chart at ninth place, proving that Blizzard's MMO still dominates sales month after month. Empire: Total War, Sega's real-time strategy title that was released in March, is still doing well enough to be third on the list. Electronic Arts rounded out the top five, as The Sims 2 Double Deluxe and Spore came in fourth and fifth, respectively. With this being the May report, this leaves out the recent release of The Sims 3, which came out last week.

Apart from these titles, Bethesda found Fallout 3 safely in sixth place for May, while THQ's Warhammer 40,000: Dawn of War II was closely behind in seventh place. Despite many technical issues with the title's online elements, Stardock's Demigod managed to rally enough sales to come in at eighth. Finally, Valve rounded out the top ten with Left 4 Dead, proving that you can't keep a good zombie game down.

The May 2009 NPD Top Ten:

1. World Of Warcraft: Wrath of the Lich King Expansion Pack
2. World Of Warcraft: Battle Chest
3. Empire: Total War
4. The Sims 2 Double Deluxe
5. Spore
6. Fallout 3
7. Warhammer 40,000: Dawn Of War II
8. DemiGod
9. World Of Warcraft
10. Left 4 Dead

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