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Metroid Zero Mission (GBA)

 'Metroid Zero Mission' title screen Metroid Zero Mission was released for the GBA in 2004. Zero Mission is an enhanced remake of 1986's Metroid for the NES.

All information relates to the specific ROM: “Metroid - Zero Mission (U) [!].gba”, it has CRC 5C61A844, sha1 5DE8536AFE1F0078EE6FE1089F890E8C7AA0A6E8 and internal name “ZEROMISSIONE”. ROM size is 8,388,608 bytes.

If you do not know how to verify your ROM's checksum, try opening the ROM in an emulator or use something like QuickHash or OpenHashTab.

Editors and Utilities


A list of guides created by the community, from manuals on the tools themselves to advanced guides relating to ASM, it's all here.

Editor and Utility Manuals

Manuals of the workings of all the editors and utilities available to you, detailing all their functions.

  • MAGE Manual - Guide to editing with MAGE, written by OneOf99 read all about its functions here.
  • Double Helix Manual - The now deprecated editor for Metroid Zero Mission, read all about its functions here.

Basic Guides

These guides cover all the basic things around editing Metroid Zero Mission, as well as serving as a good starting point for learning how to get into Metroid Zero Mission hacking!

  • FAQ - Some answers to frequently asked questions in gbatroid hacking. If this doesn't help, remember to read the MAGE docs.

Intermediate Guides

These guides assume you have a good basic knowledge about editing Metroid Zero Mission already, you should probably be comfortable with using MAGE or Double Helix by now and be moving onto using tools like a hex editor.

Expert Guides

These guides could be pretty complex, you should probably be comfortable with assembly by now.

Wiki Based Hacking Resources And Information

This segment is reserved for technical information on Metroid Zero Mission, to be used as reference material for hackers, or for the curious wanting to know what makes Samus tick, or possibly you are interested in making a fan game and want to know how Metroid Zero Mission does things!

Data Maps

Locations of Data

Technical Details

  • Hex Changes - List of Hex Changes/Tweaks that you can apply to your ROM.

Disassemblies of Data


Header Data

zero_mission.txt · Last modified: 2024/03/23 21:30 by felixwright