Every game in the Top 40 drops sales except 100 Classic Book Collection.
Chart Track reports that FIFA 09 has claimed the first No.1 of 2009, despite a 41 per cent drop in sales.
EA's hugely popular football title replaces Activision's Call of Duty: World at War, itself down 50 per cent, but some 5,000 units ahead of EA's Need for Speed: Undercover which stays firms at No.3.
Activision Blizzard has three titles inside the Top 10, with Guitar Hero: World Tour (No.4) and Quantum of Solace (No.9) joining CoD. Mario & Sonic climbs to No.5, Wii Play is at No.6, Far Cry 2 is at No.8, Mario Kart Wii falls to No.9 and Sonic Unleashed remains at No.10.
Every title inside the Top 40 saw a sales drop, except Nintendo's 100 Classic Book Collection which breaks into the Top 40 for the first time at No.27.
Leisure software charts compiled by Chart Track, (C)2001 ELSPA Ltd Entertainment Software (All Prices) Week 1, 2009
1: FIFA 09
2: CALL OF DUTY: WORLD AT WAR
3: NEED FOR SPEED: UNDERCOVER
4: GUITAR HERO: WORLD TOUR
5: MARIO & SONIC AT THE OLYMPIC GAMES
6: WII PLAY
7: FAR CRY 2
8: MARIO KART WII
9: QUANTUM OF SOLACE
10: SONIC UNLEASHED
11: GUITAR HERO III: LEGENDS OF ROCK
12: CARNIVAL: FUNFAIR GAMES
13: GEARS OF WAR 2
14: TOMB RAIDER: UNDERWORLD
15: PRINCE OF PERSIA
16: MIRROR'S EDGE
17: LEGO INDIANA JONES: ORIGINAL ADVENTURES
18: DR KAWASHIMA'S BRAIN TRAINING
19: FALLOUT 3
20: WII FIT