I also contribute to Wikipedia. (See my user page there.)
I am developing Lockjaw, an open-source customizable implementation of the guideline for PC (and possibly other platforms). Any specifics of Tetris game rules would be useful for me to add. See the page and the forum.
On July 15, I became a sysop on this wiki. If you want to discuss my actions, feel free to take it to my talk page.
To the extent possible, my contributions are dual-licensed under the Creative Commons Attribution License 2.5 and the GNU Free Documentation License 1.2 or later.