Both gnome-games_1%3a2.15.4-0ubuntu1_i386 & gnome- games_1%3a2.15.5-0ubuntu1_i386 do it. It happens randomly. I don't know a good way to reproduce it except just playing the game. -- Edgy Freecell solitare - just quits for no reason https://launchpad.net/bugs/54151