Free N-Blox (aka Tetris) for Macintosh Download

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Yep, this is the original brought to us by a couple of geek Russian computer scientists that later fell out with one another over the authorship or whatever.

Now, the company owned by Alexey Pajitnov is no longer on the net after threatening everyone over the publication or use of the Tetris game. At least the link doesn't work.

Now, Paul Neave is very explicit that everyone should know that the copyright to this game is owned by Alexey above, and here is the "non-working" link to Alexey's company Tetris.com

Furthermore, "For the Tetris novice: shaped blocks fall into a pit where you must arrange them so they fit neatly — a sort of juggling in one direction. The more blocks you can place into a horizontal line simultaneously, the more you score." - Paul Neave

Tetris links:

Original Tetris | Tetris coin-ops | Tetris encyclopedia | Tetris directory