Empire: Total War has topped the US PC sales chart for March, pushing out World of Warcraft: Wrath of the Lich King, according to data provided by NPD.
Blizzard's expansion slipped one place to number two, with The Sims 2 Double Deluxe taking third place.
Sci-Fi strategy title Warhammer 40k: Dawn of War II settled in at fourth place, while World of Warcraft Battle Chest, and World of Warcraft came fifth and sixth respectively.
The Sims 2 Apartment Life came in at number seven, followed by another EA Maxis title, Spore, at eight.
World of Warcraft: Burning Crusade took ninth place, while Mystery Case Files: Return to Ravenhearst brought up the rear at ten.
Full US PC sales chart for March follow:
01. Empire: Total War
02. World of Warcraft: Wrath of the Lich King
03. The Sims 2 Double Deluxe
04. Warhammer 40K: Dawn of War II
05. World of Warcraft Battle Chest
06. World of Warcraft
07. The Sims 2 Apartment Life
08. Spore
09. World of Warcraft: Burning Crusade
10. Mystery Case Files: Return to Ravenhearst
11. Command & Conquer: Red Alert 3
12. StarCraft Battle Chest
13. Fallout 3
14. Civilization IV
15. Empire: Total War - Special Forces Edition
16. The Sims 2 Pets
17. Warhammer Online: Age of Reckoning
18. The Sims 2 University
19. Call of Duty: World at War
20. Diablo Battle Chest