North America's Super Mario Bros. 25th anniversary site opened recently, and now Nintendo of Australia has launched its 25th Anniversary competition website offering one misty-eyed gamer the chance to win a brand new DSi XL.

If your entry is selected as the best Mario memory, you could win a red, blue or yellow DSi XL as well as a copy of New Super Mario Bros.. Need to brush up on Mario's history? The History of Mario Bros. site has you well covered.

[via gamesites.nintendo.com.au]