Gallery Solitaire - A classical solitaire game as Java applet. It allows a statistical comparison of your efforts with a non-strategy. Play online or buy the game. Hardwood Solitaire - Surround yourself in an enchanting and colorful solitaire game. Idiot's Delight - Java applets for fourteen variations of solitaire.
Games have unlimited undo and several difficulty levels.
Source code for all games is available. LifeSavers Candystand - Play Golf Solitaire or Pyramid Solitaire plus many more free online sports and arcade shockwave games. PokSol - Poker Solitaire, also known as Poker Squares. Keeps track of high scores. Requires Javascript capable browser.