It is a Dos game, and it is not ergonomic... Its interest is in the disposal of the source (in C)and in the fact that it reads the E-mail Hexxagon format. Version 1.5 of october 1998, the 4th.
Red against blue, as in Ataxx
It is possible to add pieces at the beginning. Human is red against the computer in blue. pieces are moved by keyboard and documention (chexx.txt file) shows many sets of keys, particularly to save, load, choose the thinking depth of the computer, edit the blocks.
Good level, at least at the level 5, not too slow. Moves may be canceled. To play human-computer, human-human, computer-computer.
This game is ready to download, directly from this site (21 Kb, zip format). It is a program of the french Claude Chaunier, from the university of Lyon.