A classic chess clock software with many useful features. The time can be set differently for each player allowing players of unequally strength to play together.
GameBox Play all the popular games, PacMan, Solitaire, PicPuzzle, Tetris, Worm, Pyramid, Black Jack, Yahtzee, Chess, Checkers, Puzzles etc. Post your hisocre and see if anyone can beat it.
Chinese Chess Play Chinese Chess against computer opponent
NovaChess A great program to play chess against the computer. The game offers five different levels: very easy to very difficult. Download it for free.