I am not sure if this is the right place to post this, but I just found these via a posting at lifehacker.com and wanted to let folks know. If you are trying to learn vim/vi, one of these fun tutorials may be of some help.
Interactive Vim tutorial:
Interactive Vim tutorial
VIM adventure game. Learn while playing a game:
VIM Adventures
Caveat: I just checked out VIM adventures and it is just 2 levels and you need to provide an e-mail address to register in order to go on to the 3rd level when it is available. Not very useful right now I'm afraid, but an interesting concept nonetheless.