I Just Want to Play Tetris — play free online

Drop the falling blocks into place, fill a full row across the board and keep the stack away from the top.

Originally by 0xHericles · MIT licence · source

How to play I Just Want to Play Tetris

Is I Just Want to Play Tetris free to play?

Yes. I Just Want to Play Tetris is free to play in your browser, with no account, no download and no payment.

Does I Just Want to Play Tetris work on a phone?

Yes. It runs in a phone browser, and the on-screen pad and swipe controls send the same keys as a keyboard.