Made in 1991 by John Williams, author of TkAtaxx under X-Windows, and of the page "Ataxx on the Internet" (see Introduction).
The game "Attaxx" is mentioned (under the Millennium spelling). It is also said that :
As an arcade game, it seems too simple to be true
5 levels. It is already difficult to win against the third. (the 5th is too much slow).
It is possible to play human against human, the board is 7x7, pieces are blue and red (red human begins) with a great variety of random blocks. Pieces move by drag and drop.