HTML table based clone of Tetris.
Simply run a server like this:
php -S localhost
and go to localhost on the browser.
Refresh when you want.
Use left-arrow and right-arrow to move the piece; use up-arrow to rotate the piece; use down-arrow to make the piece fall in place more quickly.
Via get parameters you can specify:
level: (int) initial level; influence score;speed: (int) game's speed;threedimode: (bool: 1,0) enable "3D" mode (which is not 3D).