Invincibility
AUULAESZ

Start with 8 Heart Containers
YYKPSHRZ

Start with 16 Heart Containers
NYKRKTZX

Buy stuff for free
SKRXASVK

Get All Items for Free
SZVXMHUK+ AEVEKRLG

Never Run Out of Bombs
SNZVOMBJ

Get Blue Ring Equipped
ESKLEMTA

Get Red Ring Equipped
OSKEEFTA