The XO is collection of classic and non-classic board games as amazons, ataxx, barrier,Cats and Dogs, cephalopod,checkers, clobber, halma, entropy, shashki ,
international checkers, gomoku,LOA, renju, pente, keryo-pente, connectris, othello, stack4, 3 Musketeers and more.
You can play with different set of rules; customize board, colors, stones;
work with database of games; save games in file using different formats;
create list of openings and more...