Hoyle Backgammon JC - PC Single-player or play against Copernicus AI 4 user selectable skill levels Acey-Ducey game configuration 10 user-selectable character opponents 3 board choices: wood, leather, stone Single-player or play against Copernicus AI 4 user selectable skill levels Acey-Ducey game configuration 10 user-selectable character opponents 3 board choices: wood, leather, stone