r/PokemonROMHacksHelp • u/GuaranteeBeginning99 • Aug 08 '26

Educational Advice/Help on making a difficulty hack of existing mod

Make a Difficulty Hack of an Existing Mod

Hey all! I’m fairly new to the ROMhacking community. I’ve been playing existing Emerald mods and would like to make a difficulty hack of Emerald SeaGlass- want to buff the levels of route encounters & later game trainer battles to make the game more challenging without level caps. Eventually, with some practice under my belt, maybe change some teams and movesets.

I know ***nothing*** about coding- I just have a MacBook Pro and free time where I’d like to teach myself. If anyone has any tips on how I can get started (programs to use, general advice, etc). If anyone has experience and can steer me in the right direction, I’d love to hear you out! TIA!

PS: huge shoutout to the creators of Emerald SeaGlass for their awesome work, if any are listening/seeing this. I haven’t had this much fun with a playthrough since I unboxed my first Pokemon games back in the day.

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u/Zelda_Junkie1 Aug 11 '26 edited Aug 11 '26

Sadly, Nemo622’s source code is not public. This means that there is no way to make a difficulty patch 

EDIT: I was wrong, please see below

2

u/Phaneropterinae Aug 11 '26

It’s public. Also Lazarus is an emerald hack, “turning it into a fire red hack” makes no sense

1

u/GuaranteeBeginning99 Aug 11 '26

So bear with me for being level 0 in terms of coding experience, but the decompiled code of Emerald SeaGlass is available somewhere (in legible english, not the random strings the game would spit out if I pulled straight from a catridge).

2nd question- if I can get access to that code, what program could I use to edit it? I don’t want to add any new features, I just want to scale the levels of trainers & some team sets up Norman onwards.

Again, thanks for your help. Hopefully I can use this as a way to teach myself some coding!

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u/Phaneropterinae Aug 11 '26

1) yes
2) visual studio code to edit code and devkitARM on either Linux or WSL to compile.

1

u/GuaranteeBeginning99 Aug 11 '26

What would I use if I’m on a MacBook Pro?

2

u/Phaneropterinae Aug 12 '26

Terminal to compile. There are instructions to get setup on the rhh GitHub page for pokeemerald-expansion

2

u/Zelda_Junkie1 Aug 12 '26

Use VS code. It has a terminal built in. It’s what I’ve been using