Ow… I’m late, it’s yesterday! But better late than never.

By the way, Mac user, you can play tetris for free. No need to download or add extra application. Just open your terminal, type emacs, then press esc-x, then type tetris. Lets the play begin, control the shape with arrow key. To pause: esc-x, resume: type res. Then you get bored. Exit strategy: press esc-x again then control-x, control-c.