The Peg Solitaire is a board game which has the particularity to be played by a single player.
The goal in the Peg Solitaire is to reach the end of the game,by having just one pawn on the board. In order to remove pieces, you will have to make them pass over each other. In other words, they jump over each other. So, when a pawn jumps over another, you can remove the latter.
Therefore a lot of thinking before removing to much pawns and become stuck, unable to go back.
Online Peg solitaire games will allow you to play this wonderful game without needing to have the board at home.