Activision's Call of Duty: Modern Warfare 2 has retained its No.1 spot, making it three weeks at the top, despite a 32 per cent reduction in sales week-on-week.

Ubisoft's Assassin's Creed II sticks at No.2, followed by New Super Mario Bros. Wii, FIFA 10 and Wii Fit Plus. Wii Sports Resort is at no.6, Mario & Sonic at the Olympic Winter Games is up a place to No.7, Left 4 Dead 2 falls to No.8, Forza 3 holds its ground at No.9 and F1 2009 moves up the field to No.10.

There was no place in the Top 40 for the week's two big releases, Lego Rock Band and Resident Evil: The Darkside Chronicles - the latter managed only 22nd place in the Wii only chart.

Hitting stores on Friday are James Cameron's Avatar: The Game, Tony Hawk Ride and The Saboteur, but it's difficult to imagine any game toppling Modern Warfare 2.

Leisure software charts compiled by Chart Track, (C)2001 ELSPA Ltd Entertainment Software (All Prices) Week 48 2009

1: CALL OF DUTY: MODERN WARFARE 2

2: ASSASSIN'S CREED II

3: NEW SUPER MARIO BROS. WII

4: FIFA 10

5: WII FIT PLUS

6: WII SPORTS RESORT

7: MARIO & SONIC AT OLYMPIC WINTER GAMES

8: LEFT 4 DEAD 2

9: FORZA MOTORSPORT 3

10: F1 2009

11: MARIO KART WII

12: LEGO INDIANA JONES 2:ADVENTURE CONTINUES

13: PROFESSOR LAYTON AND PANDORA'S BOX

14: LEGO BATMAN: THE VIDEOGAME

15: NEED FOR SPEED: SHIFT

16: PRO EVOLUTION SOCCER 2010

17: WWE SMACKDOWN VS RAW 2010

18: DR KAWASHIMA'S BRAIN TRAINING

19: PURE

20: DRAGON AGE: ORIGINS