Metroid Zero Mission is the sixth game in the Metroid series, an enhanced remake of the original Metroid game, released for the GBA in 2004.

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 Microsoft's Checksum Tool.

• MAGE - Metroid Advance Game Editor
• Double Helix 1.0 (Obsolete)
• Double Helix 2.0 (WIP)

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

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

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

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 Missionhacking!

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

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.

• Intermediate Guide - Intermediate Guide
• Sound Ripping - Ripping Samples and Midis

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

• Expert Guide - Expert Guide

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!

• ZM Clipdata List - A list of clipdata and their behavior
• ZM Graphics Data Map
• ZM RAM Map
• ZM ROM Data Map
• ZM ROM Code Map
• ZM Sprite AI Map
• ZM Voicegroup Map
• ZM RAM Map - Our wiki's map of RAM addresses (incomplete)
• ZM ROM Map - Our wiki's map of the ROM (very incomplete)

• Starship Graphics - Graphical & Palette map of Samus' Starship
• Samus Graphics - Graphical Palette map of Samus as well as graphics offset (incomplete!)
• Map Graphics - Graphical & Palette map of Map and Minimap (incomplete!)
• Status Screen Graphics - Graphical & Palette map of Status Screen (incomplete!)
• Soundtrack - List of soundtrack values in Zero Mission (possibly incomplete!)
• Generic BG Graphics - Graphical / Address map of things in Generic BG
• Generic Sprite Graphics - Graphical / Address map of things in Generic Sprite
• In Game Message Graphics - Graphical / Address map of ingame messages

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