I am having a lot of trouble connecting my ds games to my router. For whatever reason, only Mario vs DK 3 is able to connect. I've tried connecting Mario Kart DS, Tetris DS, and others, but all I get are error messages with those.
The last time I connected MvsDK3 (just a few minutes ago) I actually recieved an error message on it too (but I was logging off anyway, so meh).
I haven't played any of these games online in a while, so I forget how to fix a problem like this.