Crystal Chronicles Question

Do you need to have 2 GBAs for two players, or do you just need one GBA and one regular controller?
Bonus: If anyone’s played Four Swords Adventure, same question.

two GBAs, correct.

OK, I have a Y-cable that connects from gamecube to GBA, and can connect to another GBA. Can I use that or do I need another cable?

Theres a cord that connects the GC to the GBA you need four of those (or at least 2)

You’ll need an additional cable for the additional GBA. That cable is used to link 1 GBA to either a GCN or another GBA. It can’t be used to link two GBAs to one GCN. Sorry.