CheatCodes.com has all the official Mega Man Zero 2 GBA cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Thursday May 23, 2013 for Mega Man Zero 2 are shown below.
You can get Sub Tanks from cyber-elfs. You can get up to four Sub Tanks froms four cyber-elfs and you have to feed them. Sub Tanks restore your health.
If you want to train your weapon to become more powerful, you have to use it more often. When your weapon levels up, it will say it on the bottom part of the screen.
Some cyber-elfs can be used to increase your vitality.
To get hard mode, press and hold L while clicking New Game and you'll start in the proto form!
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