Wii Sports has become the best-selling game of all time, knocking Super Mario Bros. off the number one spot.

This is according to the latest data released from VGChartz.com which shows that as at the week ending the 27th of December 2008, Wii Sports has passed the sales of Super Mario Bros. (NES) with sales now sitting at 40.52 million units. Wii Sports, bundled with the Wii console in every country except Japan and South Korea, reached this landmark after 110 weeks of sales.

VGChartz data shows that the Wii has sold 45 million units to date, meaning that Wii Sports sales could reach the 50 million units mark.

Bundled with most NES consoles, Super Mario Bros. was released between 1985 and 1987 across the USA, Japan and Europe. It reached sales of 40.24 million units on an install base of 61.91 million NES consoles.

It is interesting to note that Nintendo dominates the Top 10 best-selling games of all time according to VGChartz. Following after Super Mario Bros. in second place is Pokemon Red/Green/Blue, Tetris, Duck Hunt and Pokemon Gold/Silver. Nintendogs, Super Mario World, Wii Play and Super Mario Land occupy numbers 7 through 10.

Top 10 Worldwide Million selling software

• Wii Sports (Nintendo) – Wii - 40.52
• Super Mario Bros (Nintendo) – NES - 40.24
• Pokemon Red/Green/Blue (Nintendo) – Game Boy - 31.38
• Tetris (Nintendo) – Game Boy - 30.26
• Duck Hunt (Nintendo) – NES - 28.31
• Pokemon Gold/Silver (Nintendo) – Game Boy - 23.11
• Nintendogs (Nintendo) – DS - 21.37
• Super Mario World (Nintendo) – SNES - 20.61
• Wii Play (Nintendo) – Wii - 19.68
• Super Mario Land (Nintendo) – GB - 18.14 

Source: VGChartz.com