First, you have to have linked your gba to some other gba, then your gameboys says: you've unlocked moonbase zeta.
Then, go to the phone box in sim quarter, then choose: phone home.
Then there you are!, If you have a nintendo ds version, there is a other trick (so you don't have to link):
Get a green meterorite from the internet shopping, keep it in your pocket,then go to the phone box and you can also go to moonbase zeta...
Then, go to the phone box in sim quarter, then choose: phone home.
Then there you are!, If you have a nintendo ds version, there is a other trick (so you don't have to link):
Get a green meterorite from the internet shopping, keep it in your pocket,then go to the phone box and you can also go to moonbase zeta...
