In this tutorial, you'll learn how to use the emacs text editor, accessible through the terminal on any computer running Mac OS X, to play a simple version of Tetris. The steps are simple and as follows:
1. Open Terminal;
2. Type in emacs and press enter;
3. Press the Escape key; &
4. Type x tetris and press enter.
Play Tetris for free on your Apple PC with this how-to!