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๐ŸŒŠ CascadeMC

CascadeMC Logo

A lightweight, clean, and open-source Minecraft launcher focused on Vanilla and Fabric, built with simplicity and performance in mind.


โœจ What is CascadeMC?

CascadeMC is a Python-based Minecraft launcher designed for users who want:

  • A fast and minimal launcher
  • Full control over their Minecraft setup
  • Crack support without Microsoft authentication
  • Open-source transparency

It supports Vanilla and Fabric, with basic mod functionality already available.


โš ๏ธ Important Notes

  • The compiled (.exe) version may not work on all systems.
  • For best stability, install via source code and run it manually.
  • Mod support is available but still experimental.

๐Ÿ”“ Authentication & Crack Support

โœ” Yes, crack is supported CascadeMC is a cracked launcher by default and will never add Microsoft authentication.

  • Uses authlib-injector for multiplayer support
  • Offline & custom usernames supported

๐Ÿ›ก๏ธ Is CascadeMC Safe?

Yes.

  • CascadeMC is 100% open source
  • You can inspect, audit, and compile the code yourself
  • No hidden behavior, no telemetry, no closed-source components

Unlike launchers such as TLauncher, CascadeMC is fully transparent.


๐Ÿ“ฅ Installation Guide

๐Ÿงฉ Source Code Installation (Recommended)

Step 1 โ€“ Download the source code as a ZIP Step 2 โ€“ Extract the ZIP file Step 3 โ€“ Open Command Prompt and navigate to the project folder:

cd C:\path\to\cascadeMC

Step 4 โ€“ Install dependencies:

pip install PySide6 requests minecraft-launcher-lib uuid

Step 5 โ€“ Run the launcher:

python main.py

โœ… Your launcher is now ready!

Note

On Linux based systems, you will need to create a venv to launch it.


๐Ÿ“ฆ Compiled Version (Experimental)

Step 1 โ€“ Download the latest release
Step 2 โ€“ Extract the files
Step 3 โ€“ Launch CascadeMC.exe

โš ๏ธ If it does not work, please use the source code version.


๐Ÿš€ Features

  • ๐Ÿชถ Lightweight & fast executable
  • ๐Ÿงต Fabric mod support
  • ๐Ÿ”“ Crack-only client (authlib-injector)
  • ๐Ÿ‘• Skin preview before launch
  • ๐Ÿง  Custom RAM allocation
  • ๐Ÿ–ฅ๏ธ Integrated PaperMC server creator
  • โ˜• Automatic Java installation if missing
  • ๐ŸŽจ Modern UI built with PySide6 (It was a pain to learn ๐Ÿ˜„)
  • ๐Ÿ“œ Clean and readable log system

๐ŸŽฎ Usage

CascadeMC is straightforward to use:

  • Select a Minecraft version
  • Install Fabric or Vanilla
  • Add mods manually
  • Launch and play

If you fork this repository, please credit the original author โค๏ธ


๐Ÿ—บ๏ธ Roadmap

  • โœ… Mod support by default
  • โœ… Multiple version support
  • โœ… Improved UI
  • โœ… Server support
  • โœ… Multiplayer support (authlib-injector)
  • โ“ Mods marketplace (maybe)
  • โŒ Cosmetics system (not planned)

โค๏ธ Final Notes

CascadeMC is a passion project, not a corporate launcher. If you encounter bugs, have ideas, or want to contribute โ€” PRs are welcome!

Enjoy Minecraft, your way ๐ŸŒŠโ›๏ธ