(M)(L)
Oops, I died
Many years ago--the fact that the original announcement has a note that Python 1.5.2 is required should give you some idea--I wrote this minesweeper variant in which the board has a combination of square and domino-shaped cells. It also has a much more powerful middle-click than traditional minesweeper.

I've made sure it runs with modern python (it did without modification) and added a GPL notice. It's not the greatest game, and it's not without a few bugs, but it's still something to spend a few minutes playing.

Files currently attached to this page:

dominosweeper.py14.1kB
sweeper-medium.png236.9kB
sweeper-small.png66.0kB
sweeper.png6.5kB