Welcome MetConstians to the Metroid Construction Documentation Wiki, the ultimate resource for all things Metroid hacking related! This wiki holds the collective knowledge of MetConst, documenting all discoveries and information about hacking Metroid, written by you guys for the benefit of all MetConstians everywhere! We have guides ranging from basic FAQ's to advanced assembly guides, it's all here! If you are looking to get started editing this wiki, check out the syntax page to learn how to edit, or check out any pages source code. You can also use the playground to test any editing you do.

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Currently the wiki is undergoing a lot of work, so a lot of documents might not have made it to the wiki yet. If you want, you can help out by filling out some backlogged information and data to the wiki, and searching the forum for any lost information that should be preserved in here.

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Founded on the 19th February 2009 by GF_Kennon, Metroid Construction has aimed to be the ultimate website for all things Metroid hacking related. Since its creation eight years ago, a massive amount of documentation has been generated along with plenty of free resources. This wiki hosts all the documentation created for MetConst in an easily viewable format for your viewing pleasure.

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Beginners Guide to playing ROM hacks
🌐 Why ROM Hack?
🌐 General - Useful Tools, Utilities, & Guides

Please note, minor changes are not shown.

• ros by mariofan2468 (mariofan2468@undisclosed.example.com) (2025/03/20 14:10)
• disasm05 - created by mariofan2468 (mariofan2468@undisclosed.example.com) (2025/03/20 14:09)
• gba_asm - [Banks] by raygun (raygun@undisclosed.example.com) (2025/03/17 23:19)
• messages - created by felixwright (felixwright@undisclosed.example.com) (2025/03/06 23:17)
• gen_entity - created by felixwright (felixwright@undisclosed.example.com) (2025/03/06 23:17)
• gen_bg - created by felixwright (felixwright@undisclosed.example.com) (2025/03/06 23:17)
• music - created by felixwright (felixwright@undisclosed.example.com) (2025/03/06 23:16)
• status - created by felixwright (felixwright@undisclosed.example.com) (2025/03/06 23:16)
• map - created by felixwright (felixwright@undisclosed.example.com) (2025/03/06 23:15)
• samus - created by felixwright (felixwright@undisclosed.example.com) (2025/03/06 23:14)

• Re: Petition to add "total conversion" to hack genre list by SpineShark (2025/04/04 01:54)

  I think a hack should be able to have multiple genres, because many of them aren't mutually exclusive. :S
• Re: Petition to add "total conversion" to hack genre list by Metaquarius (2025/04/03 20:21)

  Seems like no one even remotely cares. I'll have to categorize it as "Unknown" I guess...
• Re: Super Metroid: Opposition by Metaquarius (2025/04/03 20:15)

  Looks cool. Any updates?
• Re: The Great Metroid Construction Collaboration Hunt - Post your resources here! by dewhi100 (2025/04/03 19:32)

  Beam-based pseudo-screw attack damageThere's an old patch from 2017 that changes the damage value of pseudo-screw attack based on your equipped beams. Or at least that's what it says it does. It's an IPS and when I started disassembling it, I d...
• Re: New Beta! MF; Advanced RBO by Raddley Vance (2025/04/03 15:50)

  STATE OF THE ROMHACK,April 3rd, 2025v0.4.5 has just been released with a handful of fixes relating to vanilla gameplay order, alongside primarily graphical updates. I have not done anywhere near as much testing as I usu...

• Hack Review: Metroid_The_Matrix by Zhs2 (2025/04/02 22:33)
• Hack Review: Airy by vsf3000 (2025/04/02 18:38)
• Hack Review: Metroid One Zone by bg2 (2025/04/02 13:08)
• Hack Review: M2Fusion by MarioFan2468 (2025/04/01 07:42)
• Hack Review: M2Fusion by OmegaDragnet9 (2025/04/01 01:09)
• Hack Review: M2Fusion by Cosmic (2025/04/01 00:52)
• Hack Review: M2Fusion by RT-55J (2025/03/31 22:23)
• Hack Review: kaleidoscope by starlightintheriver (2025/03/30 11:57)
• Hack Review: Oxide by vsf3000 (2025/03/30 01:02)
• Hack Review: Super Metroid: Z-Factor by RT-55J (2025/03/29 19:07)

• Hack Approved: DOOM: Hunt for an Apple - Bad Apple!! in Metroid: Zero Mission by Roebloz (2025/04/03 17:43)
• Hack Approved: Metroid - Other Z by Noxus (2025/04/01 21:09)
• Hack Approved: noiƨƨiM oɿɘZ :bioɿtɘM by Conner (2025/04/01 21:00)
• Hack Approved: Metroid Twisted Mission by Common_user (2025/03/31 19:10)
• Hack Approved: Metroid One Zone by DuoLa Ayu (2025/03/31 19:09)
• Hack Approved: M2Fusion by LOO-E (2025/03/31 19:07)
• Hack Approved: Metroid: Castle by justaicon (2025/03/21 08:57)
• Hack Approved: Sebez_2 by Chozo39 (2025/03/13 17:04)
• Hack Approved: Metroid: Engage Ridley by justaicon (2025/03/12 20:53)
• Hack Approved: Metroid: Fastest Fusion by Biospark, baria (2025/03/09 15:36)

• Resource Approved: Skip Mother Brain 2 and 3 by Chozo39 (2025/03/16 15:37)
• Resource Approved: Morph Bounce Removal by Nodever2 (2025/02/17 13:27)
• Resource Approved: Homing Drops by Nodever2 (2025/02/17 13:27)
• Resource Approved: Event Gray Doors 2025 by OmegaDragnet9, JAM (2025/02/17 13:27)
• Resource Approved: Boss Area Event System by PHOSPHOTiDYL, JAM, OmegaDragnet9 (2025/02/17 13:27)
• Resource Approved: Decompression Optimization by Kejardon, Maddo, Tundain (2025/02/17 13:26)
• Resource Approved: JAM Messenger PLM Disassembly and Updated Version by JAM, OmegaDragnet9 (2025/02/15 09:36)
• Resource Approved: Room Event Construction Blocks by OmegaDragnet9 (2025/02/15 09:36)
• Resource Approved: Modified Event PLM and Maridia Tubes by OmegaDragnet9, dewhi100, Amoeba, JAM (2025/02/15 09:36)
• Resource Approved: Efficient Generic Tiles by alexman25 (2025/02/06 16:45)