Idleon Injector

Node.js + CDP runtime injector for Legends of Idleon. It targets the Steam or web client and exposes a local VanJS dashboard plus CLI for debugging, modding, and account management.

Need help or want to share feedback? Join the community on Discord: https://discord.gg/ySH2Rfk7SN

Features

• Steam/Web Injection: Injects JavaScript into the Steam client or web

• Web Dashboard (VanJS): Local UI at

• Live State Sync: WebSocket updates keep cheat state in sync without

• Value Monitor: Track in-game values with history in the Web UI.
• Account Management: Update account parameters and game attributes in

• Config Editor: Edit cheatConfig, startupCheats, and injector options

• Cross-Platform: Windows, Linux (Steam Proton), and macOS (web mode only).
• Portable: Runs from any directory; no game files modified.

Installation

Prerequisites

• Steam (Steam mode): The Steam client must be running.
• Legends of Idleon: Installed via Steam or accessible in the web client.
• Chromium-based browser (Web mode)

Steps

1. Download: Get the latest release from the releases page.
2. Extract: Unzip to any folder.
3. Run: Execute InjectCheatsUI.exe.
4. Setup: On first run, a CLI wizard guides you through:

Usage

1. Launch InjectCheatsUI.exe
2. Steam mode auto-launches the game; web mode launches the configured browser

1. Once the game loads, you can interact via the Web UI or the Console.

Cheat List

• Project Wiki Cheat List - Full cheat command list for quick lookup.

Web Interface

The recommended way to interact is via the VanJS-powered Web UI.

• URL: http://localhost:8080
• Capabilities:

Command Line

Type commands directly into the console window. Autocomplete is provided by the game runtime.

• Type chromedebug to open the DevTools URL.

Configuration

The injector uses a hierarchical configuration system:

• config.js: Default settings (do not modify).
• config.custom.js: User overrides (optional).

Development

Tech stack: Node.js + CDP backend, VanJS + VanX web UI, packaged with pkg (Node 18).

To build the injector from source:

# Install dependencies
npm install
Build cheats bundle (required for start/build)
npm run build:cheats
Run from source
npm run start
Build for Windows
npm run build
Build for Linux (output: InjectCheatsUI-linux)
npm run build-unix
Build for macOS (Intel output: InjectCheatsUI-macos-x64)
npm run build-macos-x64
Build for macOS (Apple Silicon output: InjectCheatsUI-macos-arm64)
npm run build-macos-arm64

Validation runs the standard checks:

npm run validate

Documentation

• Architecture Map - Runtime boundaries and source entry points.
• Domain Language - Shared project terminology.
• Design Decisions - Choices, alternatives, and trade-offs.
• Build Guide - Building from source for all platforms.
• Cheats Guide - Usage safety and contributor entry points.
• CLI Reference - Console commands and autocomplete.
• Configuration - Applying settings, saving overrides, and safety.
• Platforms - Steam, web, and OS-specific setup.
• Account Pages - Editing safety and source entry points.

Contributing

Want to contribute? Check out the Contributing Guide.

Troubleshooting

• Game doesn't start: Ensure Steam is running.
• Web target fails: Verify webUrl and that a Chromium-based browser is available.
• Linux users: If auto-launch fails, use the launch options provided in the

Credits

• iBelg
• Creater0822
• valleymon
• sciomachist
• and everyone that contributed to this project