From Random Software:
This beautiful computer version of the classic strategy game Abalone will quickly become one of your favorite games. Played on a hexagonal board using colored marbles, your goal is to push your opponent's pieces off the board before he does the same to you. Play using the original board game's rules or using variations: goals to capture and protect, and new ways to defeat your opponent's pieces. With a tutorial to help you get started and a tough computer opponent to keep you coming back for more, Abalone is a sure hit for any lover of strategy games.