MultiStream is a stream production client for TETR.IO. Supporting up to four concurrent instances, and with several extra features to help with tournament production, MultiStream is the perfect addition to any stream setup.


  • Single, double and quad stream layouts
  • Automatic replay saving
  • Configurable transparent window background
  • Built in ad blocker
  • Automatically disable spectator tools in-game
  • Bypass the login screen
  • Custom CSS

...and more!


Download from GitHub

View the source code

Download the latest version. If you're a stream producer, you want one of the named .zip files, rather than the source code. Download and extract the latest release, then run multistream.exe (Windows) to get started.

As a courtesy, please direct people to this page if you are sharing this project. is a convenient shortcut for this.

Support and feedback

If you'd like to report a bug, please feel free to do so via the GitHub repository. Please also feel free to reach out to me through any of the methods listed on my contact page.