Official Scratch Tetris
From Hard Drop - Tetris Wiki
||This game contains ideas for the Tetris Guideline 2.
If TTC uses this in the future, this may be the reference implementation.
||This Scratch game has had 50 views.
Its music is Tobu - Roots (a beautiful song), and the playfield can be narrowed by placing on top row.
Wall kicks and floor kicks are unlimited and can be done with any piece.