About Halloween Tetris GameHalloween Tetris is a Halloween-themed Tetris variation. At the beginning of each game players can choose to play slow, medium, or fast. Press the A key or the left arrow key to move the piece left. Press th D key or the right arrow key to move the piece right. Press the S key or the down arrow key to drop the piece quickly. Press the Z key or the spacebar to rotate the piece clockwise 90 degrees. Complete lines to score points and remove pieces from the stack, playing until you run out of moves. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.