How do you get the dolphin mask in NiGHTS: Journey fo Dreams for Wii?

I just got the new NiGHTS: Journey fo Dreams for my Wii and I was wondering how to get the dolphin mask so I can go underwater in the Dream Gate. Does anybody know how to get it, or win it for that matter? Please reply!How do you get the dolphin mask in NiGHTS: Journey fo Dreams for Wii?
in helens story play all the levels in aqua dream and after you beat the boss you will unlock the dolphin mask and after that you just transform automatically as soon as you touch water.


have fun!How do you get the dolphin mask in NiGHTS: Journey fo Dreams for Wii?
I can't even get past the third level in the first door. Its too difficult to get all of the Nightopians.

credot siosse