Some U.S. coin amounts used in the past were the half-cent, two-cent, three-cent, and 20-cent pieces, and a half-dime (a small silver coin).   Goal: Get 3 of the same pieces to be on one straight or diagonal line in order to remove them. Directions To start a new game, click on the New button. Use left and right arrow keys to move a piece. Click in the game area if the keyboard doesn't seem to respond.