According to a GameSpot AU report, Call of Duty: Black Ops was the biggest-selling title in 2010 in Australia.
Both console versions dominated the top two spots in a report from GfK Chart-Track, with the PS3 SKU defeating the 360 SKU.
Halo: Reach, Wii Fit Plus and Gran Turismo 5 all rounded off the top five. A 60 day time card for World of Warcraft, Red Dead Redemption PS3, Wii Sports Resort, Red Dead Redemption 360 and StarCraft II: Wings of Liberty finished the top ten.
The full top 20 is through the link.