Holds on to the No.1 spot for the first time since it launched nine months ago.
Chart Track reports that Nintendo's Wii Fit has held on to the No.1 spot in the All Formats All Prices chart with sales also up 21 per cent week on week.
Activision's Call of Duty: World at War saw a three per cent sales increase and managed to claim the No.2 spot ahead of EA's newly released Skate 2. FIFA 09 is a non-mover at No.4 and LotR Conquest slips two places to No.5 - sales down 31 per cent.
Wii Play moves down one place to No.6, Ubisoft's My Fitness Coach is new at No.7, Mario Kart Wii is up five places to No.8, Tomb Raider: Underworld moves up to No.9 and renewed stock of Professor Layton and the Curios Village helps the game surge back inside the top 40 at No.10.
Leisure software charts compiled by Chart Track, (C)2001 ELSPA Ltd Entertainment Software (All Prices) Week 4, 2009
1: WII FIT
2: CALL OF DUTY: WORLD AT WAR
3: SKATE 2
4: FIFA 09
5: THE LORD OF THE RINGS: CONQUEST
6: WII PLAY
7: MY FITNESS COACH
8: MARIO KART WII
9: TOMB RAIDER: UNDERWORLD
10: PROFESSOR LAYTON AND THE CURIOUS VILLAGE
11: GUITAR HERO: WORLD TOUR
12: MARIO & SONIC AT THE OLYMPIC GAMES
13: NEED FOR SPEED: UNDERCOVER
14: DR KAWASHIMA'S BRAIN TRAINING
15: CARNIVAL: FUNFAIR GAMES
16: LEGO BATMAN: THE VIDEOGAME
17: LEGO INDIANA JONES: ORIGINAL ADVENTURES
18: PRO EVOLUTION SOCCER 2009
19: CALL OF DUTY 4: MODERN WARFARE
20: FALLOUT 3