Last night I was up rather late surfing around StumbleUpon when I landed on one of the coolest flash ports of Nintendo’s Super Mario Brother's of all time! In this version you not only play the original Super Mario Brothers game, but you also get to choose from several different characters from the old Nintendo games! You can choose to be Ryu from Ninja Gaiden, or even Link from the Legend of Zelda to name a few!
[Super Mario Brother’s Crossover] exists as a tribute to classic video games and celebrates the games and characters that many of us grew up playing. It gives attention to our gaming roots and serves as a reminder that games do not have to be complicated to be fun. It is not intended to inhibit the copyright holders of the original games it is based on in any way.
Being an old Ninja Gaiden fan, I of course decided to play using Ryu! Here is a quick screen shot: