gonefunctors

gonefunctors / frce

Public

Pokémon FR/LG ACE automation for research/experiments

11
0
69% credibility
Found May 29, 2026 at 11 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Rust
AI Summary

This is a command-line tool for modifying Pokemon FireRed (GBA) save files and ROM images. It lets players edit their game state by adding money, items, badges, spawning Pokemon encounters, and even patching the game ROM to make Pokemon always appear shiny. The tool works non-destructively by creating new modified copies while preserving the original files.

How It Works

1
🎮 You love Pokemon FireRed

You rediscover your old Pokemon FireRed save file and want to explore it in new ways.

2
🔍 You open your save file to see what's inside

You use the inspect command to peek at your save file and understand its structure.

3
You choose what kind of adventure to create
💰
Give yourself more money or items

You edit your save to have more money, rare candies, or Master Balls for your adventure.

🏅
Unlock all badges at once

You give yourself all eight badges so you can access every location in the game.

🌟
Create a wild Pokemon encounter

You set up a battle with a rare or shiny Pokemon that appears when you talk to the nurse.

4
🚀 Your modified save is ready to play

The tool saves your new game file with all your changes, keeping your original safe.

🎉 You load your save and see the results

You load your patched save in your emulator or cartridge and your new adventure is waiting for you.

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AI-Generated Review

What is frce?

frce is a Rust command-line tool for manipulating Pokémon FireRed and LeafGreen save files and ROM images. It lets you patch save data with custom payloads, warp to any location, edit inventory and money, and install code execution routines that trigger when you talk to NPCs. The tool also patches ROM binaries to force shiny encounters or adjust shiny rates. Everything is non-destructive -- source files stay intact while modified saves and patched ROMs serialize to output paths you specify.

Why is it gaining traction?

This fills a specific gap in the Pokémon research tooling ecosystem. The ACE (Arbitrary Code Execution) automation is the headline feature -- you can inject Thumb assembly payloads into save files and trigger them through in-game events. The warp system handles the tedious work of coordinating map IDs, layout IDs, player coordinates, and flag state as a single atomic save transaction. ROM shiny patching supports three modes: force shinies always, restore to vanilla, or tune the odds to a specific rate. The CLI is straightforward: subcommands like `inspect`, `install`, `ace`, `warp`, `edit`, `payload`, and `rom` handle distinct workflows.

Who should use this?

ROM hacking researchers studying Pokémon FireRed mechanics. Speedrunners who need to set up specific game states. Anyone building save-state tooling for the GBA Pokémon games. This is not a general-purpose game editor -- it targets the FireRed US/English ROM specifically and assumes you understand concepts like RAM scripting, Thumb assembly, and GBA save sector structure.

Verdict

frce does exactly one thing and does it with precision -- if you need FireRed ACE automation and save manipulation, this is the tool. The credibility score of 0.699999988079071% reflects its niche audience and early stage: 11 stars, minimal documentation beyond usage examples, and no published test suite. Build it from source with `cargo build --release` and expect to read the README carefully. For its intended audience, this is a valuable piece of infrastructure.

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