'Halo Wars' holds on to 360 top spot

Microsoft's foray into the RTS genre Halo Wars has held on to the Xbox 360 top spot for a second week.

Tom Clancy's H.A.W.X. is this week's only new entry and displaces Capcom's Street Fighter IV in second place, with the beat 'em up having to settle for third.

Activision's WWII epic Call Of Duty: World At War climbs one place to re-capture fourth, above Sega Mega Drive Ultimate Collection which drops to fifth.

At the tail end of the top ten, Need For Speed: Undercover climbs two places to re-enter the chart at ten, below COD: Modern Warfare at nine and Silent Hill: Homecoming at eight.

The top ten in full:

1. (1) Halo Wars (Microsoft)
2. (-) Tom Clancy's H.A.W.X. (Ubisoft)
3. (2) Street Fighter IV (Capcom)
4. (5) Call Of Duty: World At War (Activision Blizzard)
5. (3) Sega Mega Drive Ultimate Collection (Sega)
6. (6) Grand Theft Auto IV (Take 2)
7. (8) FIFA 09 (Electronic Arts)
8. (4) Silent Hill: Homecoming (Konami)
9. (9) Call Of Duty 4: Modern Warfare (Activision Blizzard)
10. (12) Need For Speed: Undercover (Electronic Arts)

Leisure software charts compiled by Chart Track, (C) 2008 ELSPA Ltd.