Custom Debloated Blox Launcher (CDBL)

Custom Debloated Blox Launcher (CDBL) is a Windows utility for customizing and managing your Roblox installation.
It allows you to easily patch, restore, and personalize Roblox with custom skyboxes, dark textures, and more—all with a user-friendly interface.

Use THIS if you have issues (its an old version)

Virustotal

Install Guide

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Features

• Skybox Manager:
  Browse, preview, and apply a wide selection of custom skyboxes. Skyboxes are downloaded on demand and stored in %LOCALAPPDATA%\CustomBloxLauncher\Skyboxes.

• Skybox Previews:
  All skybox previews are downloaded and extracted from a single ZIP, stored in %LOCALAPPDATA%\CustomBloxLauncher\Previews.

• Dark/Light/Default Textures:
  Easily switch between dark, light, and default Roblox textures.

• Settings Tweaks:
  Adjust sensitivity, FPS cap, graphics, and volume using a PowerShell script.

• Restore Functions:
  Restore original Roblox skyboxes and textures at any time.

• Automatic Dependency Handling:
  The included Install-and-Run.bat script will install Python 3.12 (if needed), set up dependencies, and launch the app—even if your folder has spaces.

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Installation & Usage

1. Go to Here and downlaod CDBL.zip

2. Run the Launcher Script

   Double-click Install-and-Run.bat.

   • This will install Python 3.12 (if needed), dependencies, and launch the app as administrator.

3. Using the App

   • Skyboxes:
     Select a skybox from the list to preview. Click "Apply" to download and install it.
     • for custom use this Guide
   • Textures:
     Use the buttons to apply dark, light, or default textures.
   • Settings:
     Use the settings dialog to tweak Roblox settings.
   • Restore:
     Use the restore options to revert to original Roblox files.

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File Structure Of Github

CDBL/
│
├─ main.py                # Main application code
├─ Install-and-Run.bat    # One-click installer and launcher
├─ requirements.txt       # Python dependencies
├─ src/
│   ├─ DarkTextures/      # Dark textures directory
│   ├─ DarkTextures.zip   # Dark textures ZIP archive
│   ├─ DefaultSky/        # Default skybox directory
│   ├─ DefaultSky.zip     # Default skybox ZIP archive
│   ├─ DefaultTextures/   # Default textures directory
│   ├─ DefaultTextures.zip# Default textures ZIP archive
│   ├─ LightTextures/     # Light textures directory
│   ├─ LightTextures.zip  # Light textures ZIP archive
│   ├─ SkyboxPNGs/        # Skybox PNG images
│   ├─ SkyboxPatch/       # Skybox patch directory
│   ├─ SkyboxPatch.zip    # Skybox patch ZIP archive
│   ├─ SkyboxZIPs/        # Skybox ZIPs storage
│   └─ skybox/            # (Legacy) Local skybox storage (now uses %LOCALAPPDATA%)
├─ func/
│   ├─ APIFunc.py         # Download, unzip, and utility functions
│   ├─ ApplySkybox.py     # Skybox patching logic
│   ├─ ApplyDark.py       # Dark texture patching logic
│   ├─ ChangeSettings.ps1 # PowerShell settings script
│   ├─ GlobalBasicSettings_13.xml # Settings XML
│   ├─ Restore.py         # Restore functions
│   └─ __pycache__/       # Python bytecode cache
└─ README.md

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Data Storage

• Skyboxes:
  %LOCALAPPDATA%\CustomBloxLauncher\Skyboxes\

• Skybox Previews:
  %LOCALAPPDATA%\CustomBloxLauncher\Previews\

• Downloads (temp):
  %LOCALAPPDATA%\CustomBloxLauncher\Downloads\

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Requirements

• Windows 10/11
• Python 3.12 (auto-installed if missing)
• Internet connection (for downloading skyboxes, previews, and patches)

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Credits

• Mega thanks to fleasion/Fleasion for the method
• KickfnGIT/DebloatedBloxLauncher for this code
• Huge thanks to @kaizenken on discord for the skyboxes
• And huge thanks to @alana.py on discord for the help
• Github copilot for UI and Readme

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License

This project is for educational and personal use.
Not affiliated with Roblox Corporation.