I made a short video on how you can connect if you are using Wii/Wii U with Homebrew.If you are just using regular Wii, the network setting process is very similar except your just ignore the "modem username/password" setting that I show in the video.

https://youtu.be/O08Pm72hrYE


The only ...

I don't believe there is a way to connect to any online game from a Wii on Phantasy Star.


It requires a Gamecube and a Broadband Adapter. From what I remember, you will get a game error and it will tell you to reset your Wii console when you choose the
Provider Option
via your Network ...