This has probably already been posted but I couldn't find anything on it.

Is there any way at all besides that ONE koffin that has 300 gold koins in it.. to get gold koins if you don't have another gameboy and a link?

If not, that's really messed up. You can't get everything in the game unless you have a friend that plays it too.

Also, I just found out today that if you get a perfect on Test Your Might you get a thousand koin bonus. that was pretty cool. I've only been able to do it once though.