TETR.IO PLUS от UniQMG

Custom skins, background music, sound effects, (animated) backgrounds, input display, and touch control support for TETR.IO.

Quick note: As of 2020-11-02, TETR.IO has added banner ads. These are not injected by TETR.IO PLUS. You can read more about it on the developer's blog.

This extension does not include any content, you have to add your own.

Check the wiki on gitlab for more usage information.

Warnings
This extension is not associated with or created by TETR.IO or osk and is provided AS-IS. It can break your game. If your game fails to load or you encounter other bugs, remove the extension and try again before reporting it to osk.

This addon makes network requests to third party domains under the following circumstances:
- The "Allow loading content packs by URL" option is enabled
- The domain is whitelisted. (Click 'Edit' next to 'Allow loading content packs by URL' to edit)
- The 'useContentPack' query parameter is set

In addition, most features will make or modify network requests to https://tetr.io

The default whitelist includes 'https://you.have.fail/' (Operated by UniQMG, https://you.have.fail/ed/at/tetrioplus/) and 'https://tetrio.team2xh.net/' (Operated by Tenchi, http://tetrio.team2xh.net/?t=skins).

Source code (Gitlab)
Pre-release Desktop client versions available at the releases page of the gitlab link.