Wii Play may end up topping all other Wii titles in sales over the course of the system's life, according to simExchange. Also, the DS in Dec. 07 may have set a new sales record.
Interestingly, according to the simExchange Wii Play, not Super Mario Galaxy or some other title, is expected to top all Wii software sales over the platform's lifetime.
The top titles expected in global lifetime sales on Wii are as follows:
# Wii Play – 20 million
# Super Smash Bros. Brawl – 13.95 million
# Mario Kart – 13.16 million
# Super Mario Galaxy – 12.61 million
# Wii Fit – 8.73 million
And here are the top titles expected in global lifetime sales on the DS:
# Pokemon Diamond/Pearl – 17.13 million
# Brain Age 2 – 9.20 million
# Dragon Quest IX – 6.71 million
# The Legend of Zelda: Phantom Hourglass – 4.27 million
# Mario Party DS – 3.05 million