Mame is an emulator for Arcade games. The program Mame32 run them on Windows. And it runs the Leland Ataxx de Leland, as tgree entries: "Ataxx (set 1)", "Ataxx (set 2)", "Ataxx (Japan)".
Here are screenshots of "Ataxx (set 1)":
By émulation, The Leland Ataxx still lives...
Here red looses, because it remains no time:
Here is the page of the program mame32 where it is to download. But to play Ataxx, you must have the "rom" of the game, and it is not freely avalaible. Also, parameters are not easy and also the use of the keyboard.