The NPD Group have released a list of the 20 best-selling games sold through traditional retail channels for the month of May. And yes, there is interesting stuff beyond the usual parade of Warcraft and The Sims!

Take, for instance, Empire: Total War's staying power, managing to hold down fifth spot months after it was first released. Then there's Left 4 Dead at #7. And then we come to #12. Demigod! Nice to see the little guy doing so well.

1. WoW: Wrath of the Lich King
2. The Sims 2 Double Deluxe
3. WoW Battle Chest
4. World of Warcraft
5. Empire: Total War
6. Spore
7. Left 4 Dead
8. The Sims 2 Apartment Life
9. Fallout Trilogy
10. StarCraft: Battle Chest
11. WoW: Burning Crusade
12. Demigod
13. Real Deal Slots Adventure
14. The SimCity Box
15. Fallout 3
16. Diablo Battle Chest
17. Oblivion: Game of the Year Edition
18. Warcraft III Battle Chest
19. Dawn of War II
20. Company of Heroes: Tales of Valor