The title held off competition from Wii Play, the previous week’s runner-up Spore, Mario Kart Wii and Super Smash Bros. Brawl.
Wall-E for PS2 was at No6, while the Xbox 360 version of Mercenaries 2: World in Flames was new at No7.
DS titles Brain Training and Barbie Island Princess came in at No8 and No9, while the PS3 edition of Call of Duty 3 was at No10.
01. Wii Fit (Wii)
02. Wii Play (Wii)
03. Spore (PC)
04. Mario Kart Wii (Wii)
05. Super Smash Bros. Brawl (Wii)
06. Wall-E (PS2)
07. Mercenaries 2: World in Flames (360)
08. Brain Training (DS)
09. Barbie Island Princess (DS)
10. Call of Duty 3 (PS3)
Chart data compiled by GfK Australia.