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Version 3.7 of Editroid is available. You can get it at Romhacking.net’s page for Editroid. Version 3.7 adds support for multiple ASM files to manage more complex ASM hacks.
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I’ve been asked if there was a version of the Automap Plus patch without the automap. In other words, just the partial heart pieces in the HUD and faster life refilling with…
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A new version of Editroid has been released with some bug fixes (namely a bug that prevented certain screen-load code from running). Grab it from the RHDN Editroid page. Everything should work…
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From Trax, the author of the Contra hack Revenge of the Red Falcon, comes an early Christmas present: a nifty Contra hack titled Mountain Challenge. It’s short, but sweet. It’s a one-level…
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ROM Hasher calculates hashes and looks ROMs up in a ROM database to help identify and verify ROM images. This tool is geared toward romhacking.net for the purpose of generating ROM hashes…
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Here is a nice, small hack that allows you to add an elevator to Metroid that, rather than bringing the player to a different level, brings the player to a different part…
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Time to release a new version of my Metroid editor. This version allows you to add ASM to each screen that will run when the screen loads. It includes a built-in assembler…
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Update: Questions? See the FAQ at the bottom! Metroid + Saving replaces the password system with a saving system with three files. The file selection menu shows the player’s equipment, and as…
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This is just a quick explanation of a quirk in enemy placement in Metroid. The game engine is capable of showing up to six enemies at a time. Each enemy is stored…
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This is my attempt to collect and catalog useful resources for Metroid hacking. If anyone wants to make an addition, feel free to tell me in the comments.
About Me

Snarf
Programmer
I mod NES games and I program in C#, TypeScript, and whatever else suits my fancy.
Find Me Elsewhere
You won’t find me on social media. I guess I’m a rebel. You might find me on one of these web forums or their associated discord servers.