Serious Backgammon Cost: $24 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Serious Backgammon: A comprehensive backgammon game with many features: A choice of challenging computer opponents, many features & options. Extensive choice of rules including domino backgammon : a new variation that replaces the dice with dominoes and allows players to think ahead instead of relying on the roll of the dice. Shareware from Tower Software.