Cheats for Metroid: Zero Mission GameBoy Advance

Press Select + Start + A + B during game play to return to the main screen....

When you beat the game, you will get to play Original Metroid. Enter this in the password screen...

In order to unlock and view all the endings, you must do the following....

Beat Hard Mode Once....

Beat the game once....

Beat the game once on Normal....

Beat the game once (images will be added when you beat the game differently)....

Link up with Metroid Fusion....

When attempting to unlock the 15% Image Gallery (one of the most difficult gallery to unlock), at the very end of the game after you have destroyed the mechanical form of Ridley, when evacuating you will encounter two heavily armo...

After running far enough to activate the Speed Boost, press Down to temporarily store the energy. Samus will continue to flash and can perform a dash attack by pressing A, then the direction of the charge. Samus can also dash in M...

To basically fly in Morph Ball form, first get the Morph Ball Bomb. Then quickly tap B. The bombs will eventually carry you straight up. This is a quick way to get up to high places without repeatedly jumping....

Once you get the Morph Ball Bombs, you can get to some high places that would normally require High-Jump or Space-Jump. Get into Morphball and start laying down bombs. You will bounce when they explode. Keep pressing A repeatedly ...

In Chozodia, use the following trick to get get to the energy tank which is surrounded by meticulously placed security lasers. You would normally need to space jump around to reach it. Instead, start at the last blue door before t...

When you reach a Chozo Statue, roll into the Morph Ball and go in its hand. You will have your energy tank filled. Roll into it again, this time planting a bomb. Go into another room, then return to the room with the Chozo Statue....

When in Kraid and you have the Screw Attack, go down the elevator from Brinstar to Kraid. Get off the elevator and go down to the third door on the vertical shaft of the elevator. Go down the horizontal shaft behind the third door...

The only way to defeat it is to use your missals. When the Underground Worm opens his eyes, immediately shoot it at least once before it closes. Do this two more times to defeat it. Note: If you are not quick enough to defeat it, ...

To defeat Ridley much easier (this is also very helpful under the hard difficulty setting), hit him with missiles until he starts to move closer. Then, jump into the lava and shoot him again with missiles while he is above you. Yo...

Jump to the hatch. You will go across acid. The acid worm will appear and try to hit you. Dodge the hit and shoot missiles at it. Repeat this until the worm is defeated....

There is a Super Mario Bros. reference found throughout the game that is easy to find. Take a close look at the pipes from which the small flying enemies appear from. You will notice that they are the same design of the pipes from...