Oh..OK,now try to enter this code to Password Machine in Penk room
450362
Then buy so many hammers and use that to defeat stage 2 boss
if your hp is over 150,you would defeat him in about 30 hammer hits
Here's some passcode
821430 (50% discount in every market)
450362 (500.000 coins,can be used continuesly)
154725 (Ice Goggles unlock,you can find it at stage 1 near ice cracks.after you get it,youll be able to buy Flashlight at second shop)
Other codes are too cheaty,i wont post them